Question

A rock is dropped from a window 5 m above the ground. the rock hits the ground 1 s later with a speed of 10 m/s. what is the average speed of the rock during this time

Answer 1

Average speed=total distance/total
time
=5m/s

Answer 2

The average speed of the rock during this time of the motion is determined as 5 m/s.

What is average speed?

The average speed of an object is the ratio of total distance to total time of motion of the object.

v = total distance/total time

v = (5)/(1)

v = 5 m/s

Thus, the average speed of the rock during this time of the motion is determined as 5 m/s.

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