Question

Suppose a rock is dropped off a cliff with an initial speed of 0 m/s. What is

the rock's speed after 3 seconds, in m/s, if it encounters no air resistance?

Answer 1

Answer:29.4 is correct

Step-by-step explanation:

Answer 2

29.4 m/s

Step-by-step explanation:

v = at + v₀

v = (9.8 m/s²) (3 s) + 0 m/s

v = 29.4 m/s