SOLUTION: a ball thrown up vertically return to the thrower after 6s find a. The velocity with which it has thrown up. b. the maximum height it reaches . c. its poistion after 4s
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Question 499538: a ball thrown up vertically return to the thrower after 6s find a. The velocity with which it has thrown up. b. the maximum height it reaches . c. its poistion after 4s Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! It's at its apogee in 3 seconds.
b. h = 4.9*3^2 = 44.1 meters
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a. v = at
v = 9.8*3 = 29.4 m/sec
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c. h(t) = -4.9t^2 + 29.4t
h(4) = -4.9*16 + 29.4*4
h(4) = 39.2 meters
