(Answered) After pushing a 220 kg kid and tricycle over 110 m of

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After pushing a 22.0 kg kid and tricycle over 11.0 m of smooth, level sidewalk from rest, the "combo" is moving at 4.4 m/s.

a) Find the combo's kinetic energy.

b) And, what net force must have been delivered to the combo?

c) Now you stop pushing and let the combo coast to a stop. The only force stopping the combo is the force of friction. If the force of friction is 6.3 N, how far will the combo coast before it stops?

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