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A tennis player player wins a match at a stadium and hit a ball into the stands at 30m/s at an angle of 45° above the horizons , on its way down , the ball is caught by a spectator 10m above the point where the ball was hit. What are the magnitude and direction of the balls velocity at impact .


Sagot :

-45 width 10 & 30 multiply that with 45 & you will get your answer