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(b) the shoe is in contact with the initially stationary 0.500 kg football for 20.0 ms. what average force is exerted on the football to give it a velocity of 20.0 m/s?

Respuesta :

≈3541.67 N is the average force exerted on the football to give velocity of 20.0 m/s

How to calculate force?

The force formula is defined by Newton's second law of motion: Force exerted by an object equals mass times acceleration of that object:

F = m ⨉ a.

Calculation:

Mass m = 0.00kg

Initial velocity (Vi) =0

Final velocity (Vf)=170m/s

Time(t) =24ms=24×10^-3 s

Force =?

Force is given by

F=ma

where a= acceleration = Vf/t

Thus, substituting,

F= m × Vf/t

=(0.005kg) × 170m/s/24×10^-3 s

≈341.67 N

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