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Grade: upto college level
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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 kg ∙ m/s (B) 1 kg ∙ m/s. (C) 2 kg ∙ m/s. (D) 4 kg ∙m/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 kg ∙ m/s                   (B) 1 kg ∙ m/s.(C) 2 kg ∙ m/s.                   (D) 4 kg ∙m/s.(b) The net work done on the puck is(A) – 20 J.                         (B) – 10 J.(C) 0 J.                              (D) 20 J.

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5 years ago

## Answers : (1)

Deepak Patra
471 Points
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5 years ago
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### Course Features

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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions