Spectators watch a bicycle stunt rider travel off the end of a 57.5° ramp, rise to the top of her trajectory and, at that instant, suddenly push her bike horizontally away from her so that she falls vertically straight down, reaching the ground 0.525 s later. How far (in m) from the rider does the bicycle land if the rider has a mass  mrider = 58.4 kg  and the bike has a mass  mbike = 14.5 kg?  Neglect air resistance and assume the ground is level. ?m

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Q: 11. a) Calculate the velocity that a cannonball must be shot at, horizontally from the top of Mt.…

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Q: An athlete whirls a 6.41 kg hammer tied to the end of a 1.3 m chain in a simple horizontal circle…

A: Hammer of mass 6.41 kg  The length of the chain 1.3m Angular velocity = 1.64 rev/s

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Q: 6) You push a ball off a desk so that it rolls with a constant velocity of 5 m/s. If the desk is 2 m…

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Q: A golfer hits a golf ball on a flat, horizontal surface with an initial velocity of 67.7 m/s @ 45°.

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”