1.

A projectile has the maximum range of 500 m. If the projectile is now thrown up on an inclined plane of 30^(@) with the same speed, what is the distance covered by it along the inclined plane ?

Answer»

Solution :`R_("max") = (u^(2))/(g)`
`THEREFORE 500 = (u^(2))/(g)` or `u = sqrt(500g)`
`v^(2) - u^(2) = 2gs`
`RARR 0 - 500 g = 2 XX (-g sin 30^(@)) xx x`
x = 500 m.


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