A blue ball is thrown upward with an initial speed of 232, Ask an Expert

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A blue ball is thrown upward with an initial speed of 23.2 m/s, from a height of 0.7 meters above the ground. 2.8 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 9.6 m/s from a height of 30.4 meters above the ground. The force of gravity due to the earth results in the balls each having a constant downward acceleration of 9.81 m/s2.

1/ What is the speed of the blue ball when it reaches its maximum height?

2/ How long does it take the blue ball to reach its maximum height?

3/ What is the maximum height the blue ball reaches?

4/ What is the height of the red ball 3.64 seconds after the blue ball is thrown?

5/ How long after the blue ball is thrown are the two balls in the air at the same height?

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Category:- Physics
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