Sunday, February 7, 2010

Velocity and acceleration (True and False) Question?

I need help:





A baseball player throws a baseball straight up and catches it at the same height as it was released. According to this information, identify the following statements as ';True'; or ';False';.





1)The ball experiences zero acceleration when it reaches its maximum height.





2)The ball experiences maximum velocity when it reaches its maximum height.





3)The ball experiences zero velocity when it reaches its maximum height.





Thank you!Velocity and acceleration (True and False) Question?
(1) False. The acceleration is given by -g at all points during the motion.








(2) False. See answer to (3)





(3) True. At maximum height the velocity is momentarily zero.Velocity and acceleration (True and False) Question?
1. False





2. False





3. True

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