PHY 201
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A ball is tossed upward with an initial velocity of 25 meters / second. Assume that the acceleration of gravity is 10 m/s^2 downward.
• What will be the velocity of the ball after one second?
answer/question/discussion: ->->->->->->->->->->->-> :15m/s
• What will be its velocity at the end of two seconds?
answer/question/discussion: ->->->->->->->->->->->-> :5 m/s
• During the first two seconds, what therefore is its average velocity?
answer/question/discussion: ->->->->->->->->->->->-> :10 m/s
• How far does it therefore rise in the first two seconds?
answer/question/discussion: ->->->->->->->->->->->-> :20m
• What will be its velocity at the end of a additional second, and at the end of one more additional second?
answer/question/discussion: ->->->->->->->->->->->-> :5 m/s
• At what instant does the ball reach its maximum height, and how high has it risen by that instant?
answer/question/discussion: ->->->->->->->->->->->-> : 2.5 s ,31.25 m
• What is its average velocity for the first four seconds, and how high is it at the end of the fourth second?
answer/question/discussion: ->->->->->->->->->->->-> :10 m/s,20m
• How high will it be at the end of the sixth second?
answer/question/discussion: ->->->->->->->->->->->-> : 30m past the starting point
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15 minutes
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