A 1 kg particle strikes a wall with velocity 1 m/s at an angle 30° and reflects at the same angle. If it remains contact with wall for 0.1 sec, then the force is

Options

(a) zero
(b) 40 √3 N
(c) 30 √3 N
(d) 10 √3 N

Correct Answer:

10 √3 N

Explanation:

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