The 20kg object is dropped from a height of 2 meters. Find its speed when it hits the ground. Give your answer in meters per second.

Answer 1

There's an easy formula to figure out how fast something will be at the end of a fall.

Square root of (2gh).

Mass isn't even involved
Sq.Rt.(2 x 9.8 x 2)
Sq.Rt.(39.2)
6.26 m/s

Answer 2

Speed =d×t. =55×10=550