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A body projected at an angle with the ho...

A body projected at an angle with the horizontal has a range 300 m. If the time of flight is 6 s, then the horizontal component of velocity is

A

`30 "ms"^(-1)`

B

`50"ms"^(-1)`

C

`40 "ms"^(-1)`

D

`45"ms"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Given, `R = 300 "m" and "t" = 6 s`
We know that,
`R = u_(n) xx t`
`u_(n) = (R)/( t)`
`u_(n) = (300)/( 6)`
`u_n = 50 "ms"^(-1)`
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