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A passenger of mass 50.0 kg is in a car rounding a level curve of radius 100.0 m at a speed of 20.0 m/s. (a) Assuming that friction is the only horizontal force acting on the passenger, find the frictional force. (b) What would happen if is 0.3 mu?
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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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