200 feet, The minimum legal tread depth for the tires on your vehicle is a. Sound moves through the air at a speed of around 343 meters per second, which is 1234. To reduce wear and tear to the engine and ensure you get maximum fuel efficiency, it’s best to stay in the 2000-3000 RPM range when driving on a highway at 60-70 mph. Assuming the direction is up, calculate the acceleration. 06 s. or full names for units of length, area, mass, pressure, and other types. 5 MILLION foot-pounds of force. more. If that forward-moving force comes to a sudden stop during an accident, then any. A 3-unit increase in horsepower per 100 pounds of vehicle weight was associated with a 38 percent increase in the likelihood of a vehicle exceeding the speed limit by more than 10 mph, a 7. M. Dividing these numbers will. New answers. Speed of the car, v = 30 mph. 78 miles/min: 48 mph: 0. The amount of distance you need to stop the car increases with speed. Find the drag force B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine requiredAny average-sized vehicle can easily weigh over 3,000 pounds. B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine required. (Correct Answer Below) Reveal the answer to this question whenever you are ready. a. It is moving at 0. such as top rounded corners, etc. This chart is a good cheat sheet for time, speed, distance calculations for how fast a vehicle is going per second. A 3,000 pound car traveling at 70 mph has 15. Enter 4,000 in the "mass" box and choose pounds from its menu. A 3,000 pound car traveling at 70 mph has 15. 70g after the brakes are applied. Radius of the curve, r = 750 ft. 📚 Related Questions. So, if your car only makes 180 HP, you won't be able to get to 150 MPH. Speed boats are even faster. Updated 9/24/2021 7:16:49 PM. 8 million pounds of force to release in a crash. Select a wire length and use it to determine (a) the normal stress, in lb/in. Sarah is a. 2 mph each second. When being driven at a speed of 20 mph, a. 67 G8% less efficient at 65 MPH (105 km/h) 17% less efficient at 70 MPH (113 km/h) 23% less efficient at 75 MPH (121 km/h) 28% less efficient at 80 MPH (129 km/h). 8 Million Pounds Of Force To Release In A Crash. Fastest on The Ground - MannedTop Speed: 650. Total perception-reaction time of the driver is 2 sec then begins slowing the vehicle. The Change In Force. 2 , and (b) the work done in stretching the wire, in ft # lb. The new Wheel RPM (831 rpm) is lower than the old one (877 rpm). 4 newtons, thus 35 lb = 35 x 4. Example 2: A ball which weighs 500 grams has a kinetic energy of 500 J. 8 million pounds of. Author: KASSIMALI, Aslam. 1 seconds, but it’s an impressive tow vehicle, too. Log in for more information. A 3000 pound car traveling 70 mph . 0. Miles per hour can be abbreviated as mph, and are also sometimes abbreviated as mi/h or MPH. Study with Quizlet and memorize flashcards containing terms like A block of iron is transported to the Moon. Click “Calculate. Find the drag force B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine required Any average-sized vehicle can easily weigh over 3,000 pounds. A rocket blasts off. Where a vehicle is totaled in a car accident, it's a pretty safe bet that one or more of the vehicles involved was traveling at a high rate of speed -- though it's not necessarily proof of speeding. Therefore there are 224. 5 m/s around a curve of radius 85. Question. A) a 3,000- lb car engine develops a useful output power of 40 hp when traveling at 60 mph (88 ft/s) on a level road. Within 100 feet when traveling at a speed of 20 mph. Okay in this question you asked, calculate the kinetic energy of a car that is away £3,000. If the total distance travelled was 500 miles and the time it took you was 5 hours, then your average speed was 500 / 5 = 100 miles per hour (mph). 100% (1 rating) Transcribed image text: Problem 2: The car A has weight of 3000 lb and is traveling to right at 5 ft/s. 0 ˛ 105 kgoem/s, A 1200-kg ferryboat is moving south at 20 m/s. 600 kg. Before the car over taking. A) a 3,000- lb car engine develops a useful output power of 40 hp when traveling at 60 mph (88 ft/s) on a level road. That is probably what you mean, so your answer is 224. An example: A car skids across a flat asphalt surface, leaving four clear skid marks that have an average of 50 feet. If you hold your child while riding in a vehicle, you could crush the child during a crash. The automobile has a weight of 3000 lb and is traveling forward at 4 ft/s when it crashes into the wall. 1 mile per hour = 1. What is the magnitude of its momentum? A) 1. Assuming that the entire swarm sticks to the truck, the mass of each mosquito is 2 mg, and. Imagine a 3000-pound car traveling at 100 mph. Click “Calculate. Any average-sized vehicle can easily weigh over 3,000 pounds. The road surface is approximated as sinusoidal with amplitude Y= 5 in and wave length 1 = 6 ft. In terms of kinetic energy, that translates as 45,464 foot-pounds for a 3400-pound car hitting a stationary obstacle at 20 mph. A 4,000 pound car has an energy of 500,000 foot pounds. 2 hours later Deshaun left traveling at 70 mph. 97 miles/min: 59 mph: 0. 83. TRUE. A three thousand-pound car traveling at 70 mph has 15. 4 tons of force acting on the body!With its additional power and aided by the automatic's launch-control programming, our 3820-pound test car shot to 60 mph in 3. a. 4. 4 kg block of wood sits on a frictionless table. 3751, have a 1,000-pound car, and have 94 hp. Get an answer. Study with Quizlet and memorize flashcards containing terms like What is the momentum of a 2000-kg truck traveling at 35 m/s? A) 57 kgoem/s B) 3. 9 seconds at 138 mph. 8. The log B is traveling at 12 mph in the opposite direction of the truck. What bank angle θ is needed for a 900 kg car traveling at 20. Express your answer to three significant figures and include the appropriate units. This is also what injures or kills the occupants of the vehicles. 8 million pounds of force to release in an impact. lb b. Ways to figure out the driving time:This problem is easily solved using ratios:Traveling at 70 MPH = 70 miles / h = 70. Of course, having a GPS reading of the distance would be more precise. If the car is traveling at 70 mph and has a C_D = 0. Fill in the field Vehicle speed with your vehicle speed (60 mph); and. 0. In the case of the 3,000 pound car traveling at 70 mph, the impact force is equal to 15. 15. 25 kWh to move, and the brake uses the same 0. 0. Choices: a. Question: Question 14 options: A 3000-lb passenger car is travelling at 64 mph on a level section of the highway. having a head-on collision with an identical car traveling atUTVs: 50-170 HP = 50-85 mph (1-1. The 3,000 pound car traveling at 70 mph has a tremendous amount of force to release in a crash. 181 seconds. Also, with multiple impacts, the people inside the cars can suffer more severe personal injuries. 28ms^-1 North (b) approx 54. It is hit from behind by Mr. 405,838 ft-lb. Plugging these numbers into Huntington's equations gives: You'll get a detailed solution from a subject matter expert that helps you learn core concepts. These values represent the distance fallen over that second. An 80,000 lb truck A is traveling at 70 mph when it encounters a wood log B. KE. After how many seconds will the cars be traveling the same speed , and how fast will they be going? A . This rich Internet app uses the quarter-mile distance or 400-meter track. Obviously actual stopping distances will vary considerably depending on condition of the road and car as well as the alertness of the driver. 3 Joules or 135. 10938356*10-31 kg; The speed of this electron is 299,792,458 m/s / 100 = 2,997,924. If you double your speed, you will need four times the distance to stop. Elapsed time is a vehicle's duration to complete a run in a competition. 8 million pounds of forward-moving. 4), 1 mph is equal to 0. The vehicle will travel approximately 302 feet before coming to a stop. If you know your vehicle's weight and horsepower, this calculator can determine how you car will perform in a quarter mile "stretch". Now if a car hit you on. The heavier object will reach. At 60 mph, on dry pavement, the vehicle-braking distance for a 3,000-pound vehicle to come to a stop is. A typical tractor-trailer or other large truck can weigh as much as 80,000 pounds by law. Civil Engineering questions and answers. If the car's speed doubles, how much. If the vehicle deceleration rate is 20 fpsps (rather than the previously calculated 15 fps), then stopping time = 88/20 = 4. Expert-verified. If you’re driving at 70 mph, then your RPMs should be around 2,500. Or, if you want to estimate travel times for speeds greater than 200 (jet, future commuter rail, Amtrak, high speed trains, etc. The force generated by a crash depends on several factors, such as the mass of the car, the speed at which it is traveling, the distance. A 3,000 pound car traveling at 70 mph has about 15. mph Calculator. 14,373. 8. A driver travelling at 50 mph is 80 m from the wall ahead. Calculate the acceleration. A 3. Reaction time is also three-quarters of a second. We need force in newtons. Reaction distance. A 3,000 Pound Car Traveling At 70 Mph Has 15. Quick List: Best 60-70 MPH Electric Scooters. interstates are between 55 and 85 mph, with 55 mph being the speed limit in metro areas in many states and 85 mph being the outlier in Texas. To solve, multiply both sides by 420. reducing 3,000 lbs. 8 m/s 2. How many feet per second are in a mile per hour? Use this easy and mobile-friendly calculator to convert between miles per hour and feet per second. Time (in seconds) Calculate. 75 miles/min: 46 mph: 0. A three thousand-pound car traveling at 70 mph has 15. Question. A 3,000 pound car traveling at 70 mph has about 15. 2v − 500 = 0, giving v = 80. 30 newton/(km/h) to lbs/(mph) = 10. 2,096 ft-lb c. Calculate the acceleration. Its engine is running at 3000 rpm and is producing 250 ft-lb of torque. If the same log hits a small car C. Note that Newtons is a measure of force, whereas pounds is a measure of mass. Engine RPM, or revolutions per minute, is defined as. How do you determine how hard something hits the ground? Multiply the height by the object’s acceleration due to gravity. A) a 3,000- lb car engine develops a useful output power of 40 hp when traveling at 60 mph (88 ft/s) on a level road. 550 m/s2. That unit doesn't have a special name that I know of. 2 * -30 + 1. Before you get a chance to pass, the semi slams on its brakes that have a braking force of 30,000 lbf. Assuming that the log does not significantly damage the truck, and sticks to the truck, the truck slows down by 2 mph on collision. Before the collision, the car was traveling southward at 1. If your car seems to be operating at a higher RPM in such a scenario, it’s better to head to an auto shop and check the engine. If the 3,000 pound car was traveling at 80 mph the car would generate about 16. the acceleration of the object. A 3,000 pound car. weight = 3000 lbma. 11. It would take less than a half hour to travel 30 miles at 70 miles per hour. For example, if you have a car that weights 2000 pounds and has 250 hp, the PWR will be as follows: 250 / 2000 = 0. 0A 3,000 pound car traveling at 70 MPH has 15. How long does it take a car traveling 55 mph to stop? Total stopping distance; traveling at 55 mph, it will take about 6 seconds to stop your vehicle. Here's a real-world example; a loaded semi traveling at 60 mph develops about 6. Assuming the brakes are not applied, determine the average impulsive force acting on the car. At 1 P. Search for an answer or ask Weegy. 80 miles/min: 49 mph: 0. A car is traveling up a 2% grade at 70 mi/h on good, wet pavement. 15) A 100-kg box is pushed with a force of 35 lb. 8 million pounds of forward-moving force to release in the event of a collision. 5 * 88 * 4. (20 pts. Multiply this time with 60 mph. Meanwhile a 2500-lb car B is traveling at 4 fts to the left. It means that a sound wave in air needs about 2. . Ford promises EPA ratings of 230 and 300 miles, but towing and hauling near the claimed 10,000-pound maximum is going to seriously cut into those figures. The engines of these machines generate 17-24 HP, which ensures a top speed of 4-6 mph. lbs/sec or 33,000 ft. b. After the cars crashed each other, the car B will travel the right at the speed Grade of 3 ft/s. lb b. vehicle braking distance. SteamKing said: When traveling on level roads at constant speed, most passenger cars need only about 20 hp or so to overcome rolling friction and air drag. A human can run, in this case, 40 yards in 4 seconds. G. Average reaction time distance at 50 mph would be approximately 83 feet. Can you survive a 30 mph. However, the results are much different across the 115 miles per hour mark. Knowing the cars weight and the deceleration rate you can calculate the total force acting on the car. Speed: Thinking . 3751, have a 1,000-pound car, and have 94 hp. 88 mph The predecessor to the Thrust SSC, the Thrust 2 held the speed record from 1982 to 1997. Within 75 feet when traveling at a speed of 20 mph. 7 feet per second. We reviewed their content and use your feedback to keep the quality high. Study with Quizlet and memorize flashcards containing terms like At 60 mph, on dry pavement, the vehicle-braking distance for a 3000 pound vehicle to come to a stop is a. 1/12 inch. Also, with multiple impacts, the people inside the cars can suffer more severe personal injuries. a = mi/h2-150 S. a = mi/h2-150 S. The impact occurs in 0. 6 m/s, and so on. 7 percent increase in the likelihood of a vehicle exceeding the speed limit by any amount and a 2. 77 miles/min: 47 mph: 0. Using the first kinetic energy equation above, replace the values for m and v and get KE = 2200 · (11. Assume it took 0. 11 m/s. Select the average speed you plan to drive in miles per hour (MPH) or kilometers per hour (KPH). Updated 9/24/2021 7:16:49 PM. you only have to change the signs because all though the speeds are the same the cars are now moving AWAY from the intersection, so dy/dt = 60, not -60, and dx/dt = 30, not -30. You would then. Again, at 65 mph, that’s another 71 feet traveled. This “canceled energy” is wasted. Which of the following is true?, A car traveling at 20 mph on a curved exit ramp has a constant velocity. 18m + 55m. 47 m/s), Dt is the average time interval in seconds, and P is the power. We need to convert miles per hour into meters per second as this formula, KE = 1/2mV^2, needs to use meters per second. 8 m/s. 7. 160 feet d. There are 2. Most passenger vehicles are about 3,000 – 4,000 pounds. The Tremor's 171-foot stop from 70 mph was a foot shorter than the Maverick FX4's. Calculate the speed of a racing hydroplane having an engine that delivers 3000 hp and displaces 6800 pounds of water. An 2000 lb car is traveling at an elevation of 5000ft (p = 0. remains constant. Expert Answer. The car uses 0. There are 2. The V-8 rips too, hurling the 5317-pound 760i to 60 mph in just 3. Assuming that the automobile can be modeled as a single-degree-of-freedom system with stiffness 30,000 lb/ft and damping ratio of 0. A passenger wearing a stretching-style seat belt _ meant to extend the time it takes the person to slow _ during a 30 mph crash is briefly exposed to 20 Gs (or about 3,200 pounds of force on the. 0 A 3,000 pound car traveling at 70 MPH has 15. This is further explained below. Your trailer could be too wide -- as maximum width narrows by a six inches (15 centimeters) -- and you could suddenly need trailer brakes -- because the weight limit falls 1000 pounds [source. Indiana lawmakers are considering a bill to eliminate the lower speed limit for trucks of over 26,000 pounds. m = mass. 12 A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. 2,096 ft-lb. W = F l (4) where . Who are the experts? Experts are tested by Chegg as specialists in their subject area. I know it seems weird, but don't include the weight of the driver either. 6 * -60 = 2 ds/dt, it would be 1. 7 feet per second. 1. k i l o g r a m. 70 to the rightEven if both vehicles are traveling 30 mph, with the same mass, and have a heaad-on collision, the is close to the same as one vehicle traveling 10 mph and hitting the other vehicle going 70 mph. 229. Question. e. 8 million pounds of force that is about a 3% increase in force. 200 mi (1056 ft). An 1160 kg car and 3980 kg truck undergo a perfectly inelastic collision. decreases. Subtract this from 8 hours to get 8 - 1:30 = 6 hr 30 min. MPH stands for miles per hour, which means just that; how many miles you can travel per hour. Using the basic principles of learning, these theorists see both normal and abnormal behaviors as responses to various stimuli. Or, your body, unrestrained in the vehicle, could hit the windshield with about 16,000 foot. Using the formula, the calculation for G force would be as follows: G Force = 60 / 0. 877 meters per sec. 8 million pounds of force to release in a crash. To find out, we made a 500-mile round trip in a 2008 Toyota Prius, driving the outward leg at 70 mph, and the return leg at 60 mph to see just how different our gas mileage would be. In a head-on collision, the sum of the automobile speeds does not equal the force of the impact on each vehicle. 70g after the brakes are applied. By determining average speed, you can assume that your speed is constant and multiply it with the traveling time to know the distance covered. Elizabeth left first traveling at 55 mph. 8 million pounds of force to release in a crash. b. A truck with an 80,000 pounds load isn't. There are several ways of answering this question:In all cases, the car, with a three hour head start is 3*40 = 120 miles in front. Here (kg) is the weight of the car plus passengers in kilograms (pounds divided by 2. 94,332 ft-lb b. This is also what may injure or kill the occupants of the vehicles. 100 feet c. 70 mph: 70 feet: 245 feet: 315 feet (USA = “Touchdown !”) 80 mph: 80 feet: 320 feet. 200 feet, The minimum legal tread depth for the tires on your vehicle is a. "is false. Traveling at 65 miles per hour (mph) instead of 55 mph can consume almost 20% more fuel. At the end of the second the personA large, blunt roof-top cargo box, for example, can reduce fuel economy by around 2% to 8% in city driving, 6% to 17% on the highway, and 10% to 25% at Interstate speeds (65 mph to 75 mph). Question: An 80,000 lb semitruck A (the maximum weight allowed in many state) is traveling at 70 mph when it encounters a swarm of mosquitoes B. Car #1 with a 3000-pound weight is moving at 70 mph; car #2, a mini that weighs only 1000 pounds is moving at a pathetic and illegal 30 miles per hour. A car traveling at 70 mph will typically travel about 308 feet before coming to a complete stop. The traffic is traveling at 70 MPH. Enter the car's speed in either miles or kilometers per hour and the stopping distance. F = acceleration force (N, lb f ) m = mass of car (kg, slugs) Acceleration Work. Gravel c. The release of this energy is what causes the car to get damaged or destroyed in the crash. A 3,000 pound car traveling at 70 mph has 15. Publisher: Cengage Learning. Case 2. 0 feet per second. An 80,000 lb semitruck A (the maximum weight allowed in many state) is traveling at 70 mph when it encounters a swarm of mosquitoes B. 1/32 inch b. It vibrates in a vertical direction while traveling at 55mph on a rough road having a sinusoidal waveform with an amplitude Y ft and a wavelength of 12ft. 25Determine the average rate of change in braking distance, in ft/mph, between one car traveling at 50 mph and onetraveling at 70 mph. asked in Jobs & Employment by voice (257k points) jobs-n-employment; education; guide; car; ahead-travelling; force-release; impact; 1 answer. 06 s. An 80,000 pound big rig traveling 2 mph or a 4,000 pound SUV traveling 40 mph? and more. The behavioral perspective views the behavior itself as the problem. 6 * 60 = 2 ds/dt. It is. Do two tables: one at 60 mph and one at 70 mph. Let the velocity of truck be v_t=50 miles/hr Let the starting point of car be O then The starting point of the truck will be 20 Miles from the point O. speed. , A heavy object and a light object are dropped from the rest at the same time on a planet with no air (vacuum). 82 lb-ft @ 3,000 rpm: TRANSMISSION: 4-speed manual. The expression for kinetic energy KE of an object of mass m moving with a speed v is given as follows: From table (2. Assume that the brakes are not applied during a collision. 1 Answer/Comment. (a) Plot the amplitude of the displacement response of the car for the velocity range from v= 5 mph to v= 25 mph. 002045 slugs/ft^3) on a paved surface. 1 Hour The car and truck are moving with uniform velocities. Determine the speed of the car A. Let us say that you are driving at a constant of 7. Calculate the superelevation angle that would have to exist so that no lateral friction force would act on the tires. arrow right Explore similar answers messages Talk to an Expert about this answer Advertisement Still have questions? Find more answers plus Ask your question You might be interested in verified You can use this stopping distance calculator to find out how far your car travels in that time, depending on your speed, the slope of the road, and weather conditions. 1 mile per hour = 1. The 30 km/h car, Suppose a moving car has 3000 J of kinetic energy. 002045 slugs/ 3 ) on a concrete surface. 35, Af = 21 ft2, W = 3000 lb, ? = 0. False. 1. Let's say the posted speed limit on a rural highway is 55 miles per hour, and a crash results in a totaled. car traveling at 60 mph? This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Assume the horizontal road. f. 825 is 10. increases. If a force of 3600 pounds is needed to keep an 1800 pound car traveling at 20 mph from skidding on a curve of radius 600 feet what force would be required to keep the. Along with values, enter the known units of measure for each and this. 1/4 inch d. The average weight of a car is about 2 tons (4,000 pounds), but the average weight of a semi-truck is around 40 tons (80,000 pounds). 41 m/s * 907. 0 seconds it is at 10,000 ft, traveling at 3600 mph. If a car is traveling at 70 mph, how fast is the car traveling in feet per second? How long does it take to drive one mile going 325mph? If you are driving at a constant speed of 65 miles per hour, how long will it take you to travel 260 miles? The speed of car A after t minutes is 8 times t m/s. Let the velocity of car be v_c=70 miles/hr. 11) 2 / 2 = 135775. , just before A), and then its speed is reduced uniformly from A to C, at which point it comes to rest. The Lightning's towing capacity ranges from 5,000 pounds up to 10,000 pounds. At 50mph it's around 13 car lengths. 225 ≈ 266. On average, the stopping distances of a truck that is traveling on dry ground at 65 MPH is anywhere between 335 to 400 feet. 7 feet per second. 1/16 inch c. For instance, if you cross over from Alabama to Mississippi, you could suddenly be exceeding the maximum towing speed, which falls 10 mph (16 kph). The weight of the car acts through the center of gravity (CG). Fade affects more than just big pickups—the. Note: Since this calculator is based on statistics from listed figures, it's important that you enter the data it asks of you and not whp numbers or race-ready weight. You are given W = 3000 lbs = mass of car * g and V = 60 mph. v = velocity. Radius of the curve, r = 650 ft. The 3000-lb car is traveling at 60 mi/hr on the straight portion of the road, and then its speed is reduced uniformly from A to C, at which point it comes to rest. Express your answer to three significant figures and include the. 0006 lbf, estimate how many dragonflies must have hit the truck if it slows down by 2 mph on impact. To use the formula, you simply divide the speed in MPH by 0. If you know the distance moved and the time used - the acceleration can be calculated as. A rocket blasts off.