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soldier fires a bullet horizontally from the top of a cliff with the velocity is 10 metre per second if the if the bullet strikes the ground after 2 second find the height of that leaf also calculate the velocity with which the bullet strikes the ground

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Answer 1

It is given that --

Initial and final velocities are same = 10m/s

Time is 2 second

And acceleration is 10 m/s^2

so,

v = g x t = 20 m/s

Final velocity of the bullet as it strikes the ground is given by--

$\sqrt{ {10}^{2} + {20}^{2} }$

$10 \sqrt{5}$

so 10√5 m/s^2 is final velocity

Let h be the height of the cliff.

so, height = 0.5gt^2 = 20 m

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Answer 2

Initial and final velocities are same = 10m/s

Time is 2 second

And acceleration is 10 m/s^2

so,

v = g x t = 20 m/s

Final velocity of the bullet as it strikes the ground is given by--

AFTER THIS THE ATTACHED FILE.....

this written fownwards is after the attached file

so 10√5 m/s^2 is final velocity

Let h be the height of the cliff.

so, height = 0.5gt^2 = 20 m

Explanation:

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