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                                    A body of mass 5 kg starts from rest and moves in a straight line under the influence of two variable forces F1=(10t+6t) N and F2=(15−6t) N, acting in same direction. Find the power delivered by force F1 at t=2 sec. | 
                            
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Answer»  A body of mass 5 kg starts from rest and moves in a straight line under the influence of two variable forces F1=(10t+6t) N and F2=(15−6t) N, acting in same direction. Find the power delivered by force F1 at t=2 sec.  | 
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