1.

Two projectiles P and Q are fired from the same point with same velocity at angle 30^(@)and 60^(@). The horizontal range of :

Answer»

<P>P is equal to Q
P is less than Q
P is greater than Q
none of the above

Solution :`R = (u^(2))/(g) sin THETA`
`R_(P) = (u^(2))/(g) sin 60^(@)`
`R_(Q) = (u^(2))/(g) sin 120^(@)`
`= (u^(2))/(g) sin (180 - 60)`
`R_(Q) = (u^(2))/(g) sin 60^(@)`
`:. |R_(P)| = |R_(Q)|`


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