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Physics, 22.06.2019 02:00
The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
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What ia the energy of an object because of its potential and kinetic energies
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Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?
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How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?
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