JEE Main 2013 Physics question
The maximum range of a bullet fired from a toy pistol mounted on a car at rest is m. What will be the acute angle of inclination of the pistol for maximum range when the car is moving in the direction of firing with uniform velocity v = 20 m/s on a horizontal surface?
Answer: (2)
Solution
From the car at rest, m/s. With the car moving, the horizontal component becomes and the time of flight is , so \frac\sin\cos$θ
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