Question

A rock falls from rest. Ignoring air resistance. It’s velocity and distance fallen after 5 seconds. Choose wisely

Answer 1

C

v=-50m/s

S=-125m

Step-by-step explanation:

v=u+at

v=0+(-10)(5)

v=-50 m/s

S=ut +0.5at^2

S=0(5)+0.5(-10)(5^2)

S=-125m