Asked by maya

a target t lies flat on the ground 3m from the side of a building that is 10m tall, as shown above. a student rolls a ball off the horizontal speed with which the ball must leave the roof if it is to strike the target moest nearly?
Answered by Steve
how long does it take to fall 10m?

Then, using that value of t, solve for v in

vt = 3

since the ball must travel horizontally for 3m in that amount of time.
Answered by yann
1.41
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