Question

17. A stationary football is kicked by a player such
that it attains a speed of 3 m/s just after the kick.
Find the work done by the player on the ball if the
mass of the ball is 100 g.​

Answer 1

Answer:

Work Done by Football = 0.45J

Explanation:

Work done = ${1} / {2} m {v} ^ {2}$

= ${1} / {2} * 0.1 * {3} ^ {2}$

= 0.45J

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Answer 2

Answer:

Answer - 0.05 J

Explanation:

First we have to change the mass into kg. N9

Then by using this formula, we can calculate the answer.

$\frac{1}{2}m{v}^{2}$