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Ebenezer Isaac · Answer 1 · 2019-03-21T03:46:09+0000

Without air resistance, the ball would reach a height of h = 31.9 m(pic 1)
The gravitational potential energy difference would be ΔU = 62.588J - 43.164J = 19,424J (pic2 + 3)
The work done by air resistance must be equal to the energy difference(pic4)
The magnitude of the air resistance: F = 0.883N

Need help!! A 200g ball thrown vertically upwards at a speed of 25m / s reaches a-example-1

Need help!! A 200g ball thrown vertically upwards at a speed of 25m / s reaches a-example-2

Need help!! A 200g ball thrown vertically upwards at a speed of 25m / s reaches a-example-3

Need help!! A 200g ball thrown vertically upwards at a speed of 25m / s reaches a-example-4

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