Physics, 02.09.2019 17:20 SeleneBlackburn25
Amotor is used to lift a person sitting on a platform that, combined weighs 650 n. the platform is lifted 25.0 m straight up in 18.0 seconds. what power is developed by the motor in watts?
Answers: 1
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16. a brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 n on him. the mass of the losing player plus equipment is 90.0 kg, and he is accelerating at 1.20m/s2 size 12{1 "." "20"" m/s" rsup { size 8{2} } } {} backward. (a) what is the force of friction between the losing player’s feet and the grass? (b) what force does the winning player exert on the ground to move forward if his mass plus equipment is 110 kg? (c) draw a sketch of the situation showing the system of interest used to solve each part. for this situation, draw a free-body diagram and write the net force equation.
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Amotor is used to lift a person sitting on a platform that, combined weighs 650 n. the platform is l...
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