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# M1 question help please watch

1. A boy projects a ball vertically upwards with speed 10m/s from a poin X, which is 50m above the ground T seconds after the first ball is projected upwards, the boy drops a second ball from X. Initially the second ball is at rest. The balls collide 25m above the ground. Find the value of T

Thanks!
2. (Original post by snoopyx)
A boy projects a ball vertically upwards with speed 10m/s from a poin X, which is 50m above the ground T seconds after the first ball is projected upwards, the boy drops a second ball from X. Initially the second ball is at rest. The balls collide 25m above the ground. Find the value of T

Thanks!

Let's call your first ball A. If it's projected upwords with speed 10m/s how many seconds does it take for the ball reach it's maximum hight?
3. (Original post by snoopyx)
A boy projects a ball vertically upwards with speed 10m/s from a poin X, which is 50m above the ground T seconds after the first ball is projected upwards, the boy drops a second ball from X. Initially the second ball is at rest. The balls collide 25m above the ground. Find the value of T

Thanks!
how long does it take the first ball to get to the 25m point? how long would it take the second ball to get to the 25m point? take the second number from the first...

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Updated: July 19, 2009
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