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A 0.20-kg puck slides across a frictionless floor with a speed of 10 m/s. The puck strikes a wall and bounces off with a speed of 10 m/s in the opposite direction. (a) The magnitude of the impulse on the puck is (A) 0 kgm/s. (B) 1 kgm/s. (C) 2 kgm/s. (D) 4 kgm/s. (b) The net work done on the puck is (A) 20 J. (B) 10 J. (C) 0 J. (D) 20 J.

A 0.20-kg puck slides across a frictionless floor with a speed of 10 m/s. The puck strikes a wall and bounces off with a speed of 10 m/s in the opposite direction.
(a) The magnitude of the impulse on the puck is (A) 0 kgm/s. (B) 1 kgm/s. (C) 2 kgm/s. (D) 4 kgm/s.
(b) The net work done on the puck is (A) 20 J. (B) 10 J. (C) 0 J. (D) 20 J. 

Grade:6

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago

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