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OpenStudy (anonymous):

can anyone help me set up a differential equation using newtons 2nd law?

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OpenStudy (anonymous):

Heres the problem please help : A ball is thrown up at 20m/s on a roof of a building 30m high. Find the highest height of the ball, and the time it takes to hit the ground.

OpenStudy (anonymous):

PUT dv/dt in for acceleration thus making f=dv/dt x M possibly use -cv for drag force then if i remember correctly you integrate from o to to v or 0 to t possibly both on on each respective side. then rearrange the formulae to get V(t)= or t=.

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