Question

In: Physics

A car moving at a constant speed collides with a stationary truck at a light and...

A car moving at a constant speed collides with a stationary truck at a light and the car bounces backwards as the truck moves forward. Derive the final velocity of the truck.

Solutions

Expert Solution

Here m1 = mass of car, m2 = mass of truck, v = initial velocity of car, v1 = final velocity of car, v2 = final velocity of truck.


Related Solutions

A car moving at a constant speed of 40m/s overtakes a stationary police car which immediately...
A car moving at a constant speed of 40m/s overtakes a stationary police car which immediately starts to chase the speeding car at a constant acceleration. What is the speed of the police car when it overtakes the speeding car? (Note: No other knowns except speed of speeding car and that the police car has constant acceleration).
A truck traveling at a constant speed of 28 m/s passes a more slowly moving car....
A truck traveling at a constant speed of 28 m/s passes a more slowly moving car. The instant the truck passes the car, the car begins to accelerate at a constant rate of 1.2 m/s^2 and passes the truck 545 m farther down the road. What was the speed of the car (in meters/second) when it was first passed by the truck?
A car collides with a truck. The force exerted by the truck on the car is...
A car collides with a truck. The force exerted by the truck on the car is A) less than the force exerted by the car on the truck B) greater than the force exerted by the car on the truck C) the same as the force exerted by the car on the truck D) not necessarily related to the force exerted by the car on the truck.
A 1200-kg car moving at  25 m/s suddenly collides with a stationary car of mass 1,002  If the...
A 1200-kg car moving at  25 m/s suddenly collides with a stationary car of mass 1,002  If the two vehicles lock together, what energy was lost to heat?
A car travelling at constant speed passes by a stationary pedestrian as the car driver sounds...
A car travelling at constant speed passes by a stationary pedestrian as the car driver sounds the horn. As the car approaches the pedestrian she hears the horn sounding at 50 Hz. Once the car has driven past her, she hears the horn sounding at 10 Hz. Calculate the frequency in Hz of the sound waves emitted by the car horn.
A railroad car moving at a speed of 3.20 m/s overtakes, collides, and couples with two...
A railroad car moving at a speed of 3.20 m/s overtakes, collides, and couples with two coupled railroad cars moving in the same direction at 1.20 m/s. All cars have a mass of mass 1.10 105 kg. Determine the following. (a) speed of the three coupled cars after the collision____ (Give your answer to at least two decimal places.) m/s (b) kinetic energy lost in the collision ___ J 2. A cue ball at rest on a frictionless pool table...
A heavy semi-truck collides head-on with a small, light car. Before the collision the vehicles were...
A heavy semi-truck collides head-on with a small, light car. Before the collision the vehicles were moving with the same speed but in opposite direction. A. Just before the collision, was the magnitude of the momentum of the car greater, equal or less than that of the truck? B. Just before the collision, was the kinetic energy of the car greater, equal or less than that of the truck? C. During the collision, is the force that the car exerts...
A stationary police car is passed by a driver driving at a constant speed of 130 km / h.
A stationary police car is passed by a driver driving at a constant speed of 130 km / h. The police officer catches the fast-moving driver after 750 m at constant acceleration. a) Draw a plot of position time over the period of action of each vehicle. b) How soon will the police car catch the driver? c) The acceleration required for the police car d) What is the speed of the police car at the point of capture?
A 1700 kg car moving east at 17 m/s collides with a 1800 kg car moving...
A 1700 kg car moving east at 17 m/s collides with a 1800 kg car moving south at 20 m/s, and the two cars stick together. Consider east the positive x-direction and north the positive y-direction. a) What is the x-component of the initial momentum before the collision? ( -7100 kg·m/s, 64900 kg·m/s or 28900 kg·m/s) b) What is the y-component of the initial momentum before the collision? (-36000 kg·m/s, -7100 kg·m/s, 64900 kg·m/s or 36000 kg·m/s) c) What is...
A 1.2 kg ball moving with a velocity of 8.0 m/s collides head-on with a stationary...
A 1.2 kg ball moving with a velocity of 8.0 m/s collides head-on with a stationary ball and bounces back at a velocity of 4.0 m/s. If the collision is perfectly elastic, calculate (a) the mass of the other ball, (b) the velocity of the other ball after the collision, (c) the momentum of each ball before and after the collision, and (d) the kinetic energy of each ball before and after the collision.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT