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An 112 kg man drops from rest on a diving board 3.0 m above the surface of the water and comes to rest 0.55 s after reaching the water. How fast was he going as he hit the water? (Use units of measurement.)

Answer :

The speed of the man when he is going to hit the water is 7.67 meter/second.

What is velocity?

The rate at which a body's displacement changes in relation to time is known as its velocity. Velocity is a vector quantity with both magnitude and direction. SI unit of velocity is meter/second.

Initial height of the man is = 3.0 meter.

Acceleration due to gravity is = 9.8 m/s²

Mass of the man is = 112 kg

Hence, the speed of the man when he is going to hit the water is

= √(2 × 9.8 × 3.0) m/s

= 7.67 meter/second.

Learn more about velocity here:

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