Question

Suppose a rock in free fall is dropped off a cliff. After falling 5 seconds, its

speed will be 100 m/s.
A. True
B. False

Answer 1

B

Explanation:

You can use an equation from physics to help with this.

`v_f=v_o+at`

Since the initial velocity is 0, you can set up the following equation:

`v_f=0+(10)(5)\\\\v_f=50\\eq 100`

Hope this helps!