At the intersection of Texas Avenue and University Drive, a yellow, subcompact c

Question

At the intersection of Texas Avenue and University Drive, a yellow, subcompact car with mass 900 kg traveling east on University collides with a maroon pickup truck with mass 1700 kg that is traveling north on Texas and ran a red light . The two vehicles stick together as a result of the collision and, after the collision, the wreckage is sliding at 16.0 m/s in the direction 24.0 east of north. The collision occurs during a heavy rainstorm; you can ignore friction forces between the vehicles and the wet road.

http://session.masteringphysics.com/problemAsset/1040223/5/yf_Figure_8_34.jpg



A- Calculate the speed of the car before the collision.

B- Calculate the speed of the truck before the collision.

Explanation / Answer

a) vcar = (1700+900)*16*sin(24 degree)/(900) = 18.8002715 m/s due east b) vtruck = (1700+900)*16*cos(24 degree)/(1700) = 22.3549947 m/s due north

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