floppyoj7382 floppyoj7382

05-06-2018
Physics

contestada

With what minimum speed must a ball be thrown straight up in order to reach a height of 22 m above the launch position?

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rmshahid0011 rmshahid0011

05-06-2018

Vi=?Vf=0h=22mg= -9.8m/s/s (upward negative)

equation of motion used is:Vf^2 -Vi^2 = 2gh
=> Vi = 20.76 m/s

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nomnom1017l nomnom1017l

05-06-2018

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