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For a given angle of projection of the projectile, if the initial velocity is doubled, the range of the projectile becomes
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Important Questions on Kinematics
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A ball is projected to attain the maximum range. If the height attained is , the range is
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Two projectiles are fired from the same point with the same speeds at angles of projection and respectively. Which one of the following is true?
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A ball is projected vertically upwards with a certain speed. Another ball of the same mass is projected at an angle to the vertical with the same initial speed. The ratio of their potential energies at the highest points of their journey will be
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A body is thrown horizontally with a velocity from the top of a tower of height . It strikes the ground level through the foot of the tower at a distance from the tower. The value of is
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When a particle is thrown horizontally, the resultant velocity of the projectile at any time is given by
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A ball is projected upwards from the top of a tower with a velocity of making an angle of with the horizontal. The height of the tower is . After how much time from the instant of throwing, will the ball reach the ground?
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An aeroplane moving horizontally with a speed of drops a food packet while flying at a height of . The horizontal range of the packet is:
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A plane is flying horizontally at and releases an object which reaches the ground in . The angle made by it while hitting the ground is:
