A 0.18 kg puck is initially stationary on an ice surface with negligible friction. At time...

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Physics

A 0.18 kg puck is initially stationary on an ice surface withnegligible friction. At time t = 0, a horizontal forcebegins to move the puck. The force is given by Fâ†’=(15.0-3.94t2)iÌ‚,with Fâ†’ in newtons and t in seconds, and it acts until itsmagnitude is zero. (a) What is the magnitude ofthe impulse on the puck from the force between t = 0.560 sand t = 1.79 s? (b) What is the change inmomentum of the puck between t = 0 and the instant atwhich F = 0?

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3.6 Ratings (390 Votes)

Mass of puck m 018 kgInitial speed of puck V0 0 msForce acting on puck FF 15 394t2Let t0 be the time F becomes zeroF 0 15 394t02t0 195 secma 15 394t2018a 15 See Answer

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