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In a soccer match Putu kicked the ball with the elevation angle $$\alpha$$ so that it reached the maximum height 10 m. How long must he wait until the ball fall to the ground if g = $$10m/s^2$$?
I don't know how to do it if the initial velocity isn't known. Can someone help me?
I don't know how to do it if the initial velocity isn't known. Can someone help me?