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The vertical height of point $P$ above the ground is twice that of $Q$ . A particle is projected downward with a speed of $5 m / s$ from $P$ and at the same time another particle is projected upward with the same speed from $Q$ . Both particles reach the ground simultaneously, then

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PQ=30 m

time of flight of stones =3s

Both (1) and (2) are correct

Both (1) and (2) are wrong

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detailed solution

Correct option is C

-h=5t-5t2-2h=-5t-5t2From these two equations,we get, t=3sand h= distance between Pand Q=30m

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The vertical height of point P above the ground is twice that of Q. A particle is projected downward with a speed of 5 m/s from P and at the same time another particle is projected upward with the same speed from Q. Both particles reach the ground simultaneously, then

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Ready to Test Your Skills?

free study material

The vertical height of point $P$ above the ground is twice that of $Q$ . A particle is projected downward with a speed of $5 m / s$ from $P$ and at the same time another particle is projected upward with the same speed from $Q$ . Both particles reach the ground simultaneously, then