College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

تمرين 70

The driver of a pickup truck going 100 km/h applies the brakes, giving the truck a uniform deceleration of 6.50 m/s 2 while it travels 20.0 m. (a) What is the speed of the truck in kilometers per hour at the end of this distance (b) How much time has elapsed