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Cintu · Answer 1 · 2022-08-16T17:07:58+0000

Answer:

The mass of the ball is 1.360 kilograms.

Step-by-step explanation:

By Work-Energy Theorem, gravitational potential energy (
), in joules, is the product of weight of the ball (
), in newtons, and height (
), in meters. Please notice that weight is the product of the mass of the ball (
) and gravitational acceleration (
), in meters per square second. Then, the formula for the mass of the ball is:

$m = (U)/(g\cdot h)$ (1)

If we know that
$U = 1000\,J$ ,
$g = 9.807\,(m)/(s^(2))$ and
$h = 75\,m$ , then the mass of the ball is:

$m = (U)/(g\cdot h)$

$m = 1.360\,kg$

The mass of the ball is 1.360 kilograms.

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