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V. Problem Solving: Solve for the following completely. 1. Jim's backpack that is full of books weighs 30 N. He lifts it from the floor to a table 3 meters high. How much work is done on his backpack? Given: F = 30N Formula: W = Fd d = 3 m 2. Andrei does 50 J of work in climbing a stair. If he does the work in 5 seconds, what is his power output? Given: W = 50 J t = 5 seconds 3. A body of mass 4 kg is projected vertically upwards with speed of 3 m/s. What is the maximum value of the body's kinetic energy? Given: m = 4 kg V = 3 m/s Formula: P = W t g = 9.8 m/s2 h = 10 m Formula: KE = mv2 t 4. A 5 kg body is raised up a height of 10 m. Calculate the potential energy processed by the body. Given: m = = 5 kg Formula: PE = mgh 5. Find the power of a man who pulls a box 2 m with a force of 25 N in 10 seconds. Given: F = 25 N d = 2 m t = 10 seconds Formula: P = Fd t
please I need this po rn I hope sa matino na answer
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