Asked by seanso
A ball is thrown vertically upward with a speed of +10.0 m/s.
(a) How high does it rise?
m
(b) How long does it take to reach its highest point?
s
(c) How long does the ball take to hit the ground after it reaches its highest point?
s
(d) What is its velocity when it returns to the level from which it started?
m/s
(a) How high does it rise?
m
(b) How long does it take to reach its highest point?
s
(c) How long does the ball take to hit the ground after it reaches its highest point?
s
(d) What is its velocity when it returns to the level from which it started?
m/s
Answers
Answered by
drwls
Someone will be glad to critique your thinking. For using conservation of energy for the first question.
For (b), require that the ball decelerate at rate g until the vertical velocity is zero.
For (b), require that the ball decelerate at rate g until the vertical velocity is zero.
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