Physics, 05.07.2019 02:30, chakalarenfroe

Mary wants to throw a can straight up into the air and then hit it with a second can. she wants the collision to occur at height h- 5.0 m above the throw point. in addition, she knows that she needs ti4.0s between successive throws. assume that she throws both cans with the same speed. take g to be 9.81 m/s2. (a) how long it takes (in seconds) after the first can has been thrown into the air for the two cans to collide? answer to 4 significant figures. (b) find the initial speed of the cans (in meters/second) to 4 significant figures.

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