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A stone is projected with a velocity 20√2 m/s at an angle of 45° to the horizontal .The average velocity of stone during the motion from starting point to its maximum height is
Dear student Displacement at highest point will be (R/2,H) in horizontal and vertical direction respectively.Average velocity = Displacement /Time V = 20sqrt(2) Angle Q = 45 degree H= V^2Sin^2Q/2g R = V^2Sin^2Q/gTime = VsinQ /g H = 20 m R/2 = 40m T = 2 Average velocity = 10sqrt5 m/s
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