A 75 g 31 cm long rod hangs vertically on a frictionless, Ask an Expert

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Q1. 1) An 865 kg drag race car accelerates from rest to 111 km/h in 0.749 s. What change in momentum does the force produce?

Respond in units of kg • m/s

2) what average force is exerted on the car? Response in units of N

Q2. A 75 g, 31 cm long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 12 g ball of clay travelling horizontally at 2.1 m/s hits and sticks to a very bottom tip of the rod.

To what maximum angle, measured from vertical, does rod (with the attached ball of clay) rotate?

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Category:- Physics
Reference No.:- M9160697

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