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The range of a projectile, when launche...

The range of a projectile, when launched at an angle of ` 15^(@)` with the horizontal is 1.5 km. what is the range of the projectile, when launched at an angle of ` 45^(@)` to the horizontal with the same speed ?

A

3 km

B

4.5 km

C

1.5 km

D

2.5 km

Text Solution

Verified by Experts

The correct Answer is:
C
`R_(1)=(u^(2) sin 2theta_(1))/(g), R_(2)=(u^(2) sin 2theta_(2))/(g)`
`R_(2)-R_(1), H=(u_(y)^(2))/(2g)`
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