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Please help me with these 2 hw questions asap pls!

QUESTION 11 How much work (in J) is done by the boy exerting a force of 77 N at angle of Ⓡ = 26° pulling the girl a distance

QUESTION 12 A 8.4 kg object is moving in a straight-line with an initial speed of 8 m/s. How long will it take (in s) for the

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11) The amount of work done by the boy is W =(F coses =( 77 cos 26) (58) = 4.0 x10 J 12) The change in kinetic energy is, 1 A

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