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A body thrown horizontally from the top ...

A body thrown horizontally from the top of a building with a speed `20 m//s`, strikes the ground `40 m` away from the foot of tower. The height of the tower is

A

`5 m`

B

`10 m`

C

`15 m`

D

`20 m`

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The correct Answer is:
D
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CP SINGH-MOTION IN A PLANE-Exercises
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  2. A body is projected horizontally from a height of 20 m. It reaches the...

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  3. A body thrown horizontally from the top of a building with a speed 20 ...

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  4. An areoplane is flying horizontally with a velocity 720km//h at a heig...

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  5. A bomber plane moves horizontally with a speed of 600 m//s and a bomb ...

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  6. At the height 320 m, an aeroplane is moving with 100 m//s. A bomb is d...

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  7. A ball is rolled off the edge of a horizontally table at as speed of 4...

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  8. A body, rpojected horizontally with a speed u from the top of a tower ...

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  9. From the top of the tower, a ball A is dropped and another ball B is t...

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  10. A ball rolls off the top of a stairway with a horizontal velocity u. I...

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  11. A staircase contains four steps each 10 cm high and 20 cm wide. The mi...

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  12. A ball is thrown with speed 40 m//s at an angle 30^(@) with horizontal...

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  13. Two balls are thrown horizontally from the top of a tower with velocit...

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  14. In the previous problem, the distance between the balls when their vel...

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  15. Figure shows four paths for a kicked football. Ignoring the effects o...

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  16. A projectile is projected and it takes 9 s to reach in the horizontal ...

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  17. A projectile is projected with a speed u at an angle theta with the ho...

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  18. Choose the correct option Two seconds after the projection, a projec...

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  19. A hose lying on the ground shoots a stream of water at an angle 30^(@)...

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  20. A particle I projected at an angle of elevation alpha after time t it ...

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