Asked by nicole
A boy reaches out of a window and tosses a ball straight up with a speed of 15 m/s. The ball is 20 m above the ground as he releases it. Use energy to find the following.
Answers
Answered by
drwls
The following what? How high it goes above the ground? Call that height Ymax.
g*H + Vo^2/2 = g*Ymax
H = 20 m
Vo = 15 m/s
g = 9.81 m/s^2
Solve for Ymax
g*H + Vo^2/2 = g*Ymax
H = 20 m
Vo = 15 m/s
g = 9.81 m/s^2
Solve for Ymax
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