A handball of mass 0.10 kg traveling horizontally at 25 ms, Ask an Expert

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Q. A handball of mass 0.10 kg, traveling horizontally at 25 m/s, strikes a wall and rebounds at 19 m/s. What is the change in the momentum of the ball?

Q. At the starting gun, a runner accelerates at 0.9 m/s2 for 4.1 s. The runner's acceleration is zero for the rest of the race.

(a) What is the speed of the runner at t = 2.0 s?

(b) What is the speed of the runner at the end of the race?

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Category:- Physics
Reference No.:- M9276905

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