1.

A projectile is launched from the surface of the earth with a very high speed u at an angle theta with vertical . What is its velocity when it is at the farthest distance from the earth surface. Given that the maximum height reached when it is launched vertically from the earth with a velocity v = sqrt((GM)/(R))

Answer»

`(U "cos" theta)/(2)`
`( u "SIN" theta)/(2)`
`SQRT((GM)/(2R))`
`sqrt((GM)/(3R))`

Answer :B


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