A rock is dropped from a bridge. what happens to the magnitude of the acceleration and the speed of the rock as it falls?

a) both acceleration and speed increase

b) both acceleration and speed remain the same

c) acceleration increases & speed decreases

d) acceleration remains the same & speed increases

Question

Dallas Bryant

Physics

11 August, 20:48

A rock is dropped from a bridge. what happens to the magnitude of the acceleration and the speed of the rock as it falls?

a) both acceleration and speed increase

b) both acceleration and speed remain the same

c) acceleration increases & speed decreases

d) acceleration remains the same & speed increases

+2

Answers (1)

Know the Answer?

Coby Park · Answer 1

If a rock is dropped from a bridge, its acceleration remains the same (9.8 m/s², the acceleration of gravity on Earth, no matter how heavy the rock is), and its speed increases at the rate of (9.8 meters per second for every second it falls).

A rock is dropped from a bridge. what happens to the magnitude of the acceleration and the speed of the rock as it falls?a) both acceleration and speed increaseb) both acceleration and speed remain the samec) acceleration increases & speed decreasesd) acceleration remains the same & speed increases