fastest humans can reach speeds of about 11 m/s. part a in order to increase his gravitational potential energy by an amount equal to his kinetic energy at full speed, how high would such a sprinter need to climb? express your answer to two significant figures and include the appropriate units.

Question

Physics

Martha Frost

4 September, 04:02

fastest humans can reach speeds of about 11 m/s. part a in order to increase his gravitational potential energy by an amount equal to his kinetic energy at full speed, how high would such a sprinter need to climb? express your answer to two significant figures and include the appropriate units.

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Answers (1)

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Valentina Hall · Answer 1

6.17 m

Explanation:

speed, v = 11 m/s

Let the mas is m.

As according to the question

Potential energy = kinetic energy

m x g x h = 0.5 m v²

where, h is the height raised.

9.8 x h = 0.5 x 11 x 11

h = 6.17 m

Thus, the height raised is 6.17 m.