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A 105 kg guy runs at 3.25 m/s down the parking lot to catch a cart before it hits his car. The cart seems to gain speed as it rolls in the lot causing the guy to change his velocity to 4.5 m/s over a period of 0.77 seconds. What force did the guy use as he changed his velocity?

Respuesta :

tanweeleong195oxyqwp

Answer:

Solution is in the attached photo.

Explanation:

This question tests on the concept of Newton's 2nd Law , F = ma and kinematics equations.

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