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A bullet with muzzvelocity 100 m/s is to...

A bullet with muzzvelocity 100 m/s is to be shot at a target 30 m away in the horizontal line .How high above the target must the renaimed so that the bullet will hit the target?

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Knowledge Check

  • A bulley with muzzle velocity 100 m s^-1 is to be shot at a target 30 m away in the same horizontal line. How high above the target must the rifle be aimed so that the bullet will hit the target ? .

    A
    0
    B
    0.45cm
    C
    45cm
    D
    90cm

  • A rifle shoots a bullet with a muzzle velocity of 400 m s^-1 at a small target 400 m away. The height above the target at which the bullet must be aimed to hit the target is (g = 10 m s^-2) .

    A
    1 m
    B
    5 m
    C
    10 m
    D
    0.5 m

  • A jet aeroplane is flying at a constant height of 2 km with a speed 360 kmh^(-1) above the ground towards a target and releases a bomb. After how much time it will hit the target and what will be the horizontal distance of the aeroplane from the target so that the bomb should hit the target ? (Take g = 10 ms^(-2))

    A
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    B
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    C
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    D
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    The barrel of a gun and a target lie along the same horizontal. If the target is released and the gun is fired at the same time, the bullet will always hit the target whatever be the distance between the gun and the target.

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