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Marshall and Graham both lift a 50 lb. weight. Graham lifts his weight in 5 seconds. Marshall takes 7
seconds. Which of the following statements is true?
Graham had more power than Marshall.
Marshall had more power than Graham.
Both boys had equal amounts of power.

Awalk up the phase change graph worksheet

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe