A 100 g iron ball having velocity 10 m/s collides with a wall at an angle 30° and rebounds with the same angle. If the period of contact between the ball and wall is 0.1 second, then the to force experienced by the wall is

Question:

Options :

(a) 10 N
(b) 100 N
(c) 1.0 N
(d) 0.1 N

Answer :

(a) 10 N

Answer Steps :

step 1:

step 2:

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An alternating voltage source is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is:

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