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OpenStudy (anonymous):
Determine the average velocity (in m/s) of the object for the first 7 seconds of motion. (If negative, then enter a negative answer.)
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OpenStudy (anonymous):
A football is kicked at ground level with a speed of 25.0 m/s at an angle of 31.0° to the horizontal. How much later does it hit the ground?
OpenStudy (anonymous):
use 0 = 25*sin(31) *t -1/2*g*t^2 to solve for t
OpenStudy (anonymous):
that would give me -2.06...is that correct? how would time be able to be that?
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