Name Date Period Power Problems Show your work. Using good problem solving strategies. Include units and correct significant figures in your answer. Ihp = 746 W P = 1 W = Fd Fw = ma 1. Climbing a 5.0 m ladder requires 2400J. What is the power required if the work is done in 6.2 s? How is the power different if the time is cut in half? Given Unknown Formula 2. An electric motor is able to lift a 36.7 kg box a total distance of 110 m in 20.2 seconds. What is the power output of the motor? What is the horsepower rating of the motor? Given Unknown Formula 3. _What is the time it would take for a 3/4 horsepower motor to lift a 15 kg box a distance of 22.5 m? Given Unknown Formula 4. What power must be generated to lift, in 30.0s, a total of 50.0 m, a 350 kg elevator that has people in it that weigh a total of 420 kg? Given Unknown FormulaDate Period Name Power Problems Show your work. Using good problem solving strategies. Include units and correct significant figures in your answer. 5. If the following graph took 10.9 seconds to accomplish, what was the power associated with this situation? Show your work. Force vs. Distance 9.0- 6.0 Force IN) 3.0 3.0 6.0 Distance (m) 6. If the following graph took 2.3 min to accomplish from 4m to 12 m, what was the power associated with this situation? Show your work. F(N) 10N 5N 4m 8m 12m 14m 'X(m)