Problem 5: A car's bumper is designed to withstand a 4.0-km/h (1.1-m/s) collision with an immovable object without damaging thebody of the car. The bumper cushions the shock by absorbing the force over a distance.D A Calculate the magnitude of the average force on a bumper that collapses 0.22 m while bringing a 750-kg car to rest from an initial speed of 1.7 m/s, innewtons.F =sin()cos()tan()789HOMEcotan()asin()acos()E456atan()acotan()sinh()123cosh()tanh()cotanh()ENDO DegreesO RadiansVO BACKSPACEDELCLEARSubmitHintFeedbackI give up!

We can find the average force in a bumper from the work - energy theorem

Answered: Problem 5: A car's bumper is designed…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A car's bumper is designed to withstand a 4.0-km/h (1.1-m/s) collision with an immovable object without damage to the body of the car. The bumper cushions the shock by absorbing the force over a distance. Calculate the magnitude of the average force on a bumper that collapses 0.200 m while bringing a 900-kg car to rest from an initial speed of 1.1 m/s.
From 1946 through 1958, Col. John Stapp headed the U.S. Air Force Aero Medical Laboratory's studies of the human body's ability to tolerate high accelerations during plane crashes. Conventional wisdom at the time indicated that a plane's negative acceleration should not exceed 180 m/s2 (18 times gravitational acceleration, or 18g). Stapp and his colleagues built a 700-kg "Gee Whiz" rocket sled, track, and stopping pistons to measure human tolerance to high acceleration. Starting in June 1949, Stapp and other live subjects rode the sled. In one of Stapp's rides, the sled started at rest and 360 m later was traveling at speed 67 m/s when its braking system was applied, stopping the sled in 6.0 m. He had demonstrated that 18g was not a limit for human deceleration. Find the time interval for Stapp and his sled to stop as their speed decreased from 67 m/s to zero.
A car’s bumper is designed to withstand a 4.0-km/h (1.1-m/s) collision with an immovable object without damaging the body of the car. The bumper cushions the shock by absorbing the force over a distance. Calculate the magnitude of the average force on a bumper that collapses 0.175 m while bringing a 950-kg car to rest from an initial speed of 1.7 m/s, in newtons?
Pregunta 5 Sin responder aún Puntúa como 1.00 P Marcar pregunta Página anterior Tiempo restante 1:00:28 Jerome lanza una pelota de béisbol de masa 0.300 kg. La pelota llega al "home plate" con una velocidad de 40.0 m/s y es bateada directamente a Jerome con una velocidad de retorno de 52.0 m/s. ¿Cuál es la magnitud del cambio en el impulso de la pelota? O a. 12.0 kg-m/s O b. 15.6 kg-m/s. O c. 27.6 kg-m/s O d. 3.60 kg-m/s Siguiente página
A 5 kg blob of clay is moving forward at 2 m/s when it has an inelastic collision with a 2kg blob of clay initially at rest. What will be the final velocity of the two blobs after they stick together?
A car's bumper is designed to withstand a 5.76 km/h (1.6-m/s) collision with an immovable object without damage to the body of the car. The bumper cushions the shock by absorbing the force over a distance. Calculate the magnitude of the average force on a bumper that collapses 0.210 m while bringing a 890 kg car to rest from an initial speed of 1.6 m/s.
Prof. P's dwarf lime tree is doing well this year and provides those lime slices for his refreshing online lecture glass of water. One of those limes with a mass of 45.2 grams falls vertically from the tree at a height of 1.3 meters and elastically bounces straight up off the greenhouse floor. If that poor lime was in contact with the floor for 0.11 seconds, what was the force on the lime from the floor in Newtons? (assume up is positive) Prof. P. has experimentally determined (because he does that sort of stuff) that a 5N force will bruise a lime and make it nasty for his drink - is this lime OK?
A 980-kg sports car collides into the rear end of a 2500-kgkg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.9 mm before stopping. The police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. Question: What was the speed sports car at impact? v=??
Need Quick one.
A 10 gram bullet is fired from a gun and embeds itself into a 1.0 kg block of wood. After the collision the block of wood skids away at 4.0 m/s. What was the initial speed of the bullet?
A 4 kilogramme block travelling at 6 m/s collides with a 3 kg block moving at 2 m/s in an elastic collision. Determine the 4kg block's ultimate velocity.
You’re an accident investigator at a scene where a drunk driver in a 2200 kg car has plowed into a 1400 kg parked car with its brake set. You measure skid marks showing that the combined wreckage moved 20 m before stopping, and you determine a frictional coefficient of 0.78. What do you report for the drunk driver’s speed just before the collision?

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