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In the figure shown, the two projectiles...

In the figure shown, the two projectiles are fired simultaneously. What should be the initial speed of the left side projectile for the two projectile to hit in mid-air?

Text Solution

Verified by Experts

The correct Answer is:
`20 xx sqrt(2//3) m//s`
Vertically component of velosity of two should be equal
`u sin 60^(@) = 20 sin 45^(@)`
`u(sqrt(3))/(2) = 20 xx (1)/(sqrt(2)) rArr u = 20 sqrt((2)/(3)) m//s`
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