A driver of a car in motion sees a deer on the road. The driver hits the brakes which provide an acceleration of -7.0 m/sec^2. If the car’s initial velocity was 25 m/sec, how far will the car travel before coming to a stop?

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.