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A crate is pushed along a flat surface at constant velocity by a force of 68 N. The coefficient of kinetic friction is .30. What is the mass of the crate?
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At a playground, a toddler climbs on his bike starts to pedal away from his dad as fast as he can, at 12.6 km/h, towards a busy road that is 74.2 m away. At Δt=3.44 seconds later, his dad glances up from his phone and no ...
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