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Two particles are projected from the two...

Two particles are projected from the two towers simultaneously, as shown in the figure.

What should be value of `d` for their collision.

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Verified by Experts

The correct Answer is:
20 m
`d/(10sqrt(2) cos 45^(@)+10)=10/(10sqrt(2) sin 45^(@))`
`d=20xx1=20 m`
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