Question

a body is projected horizontally from the top of a tower with 30 metres per second find the velocity of the 4 seconds.take g as 10 m/s​

Answer 1

At ‘A

′

there is no vertical conponent

At ‘B

′

after 4 seconds.

V¹=0+gt=10×4=40 m/s

The resultant velocity V,

V=

√40²+30²

= √1600+900

= √2500

=50m/s

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