A ball is simultaneously given two velocities : One 10 m/s due east and other 20 m/s due North -west . Calculate the resultant velocity of the ball.
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A ball is simultaneously given two velocities : One 10 m/s due east and other 20 m/s due North -west . Calculate the resultant velocity of the ball.
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Velocity is a vector quantity
V1= 10m/s
V2= 20m/s
Angle between both-- 90+45=135°
V=√[10^2 + 20^2 + 2(10)(20)Cos(135)]
V=√100 + 400 + 400(-0.707)
V=√(500-282.84) = √217.16
V=14.74 (Approx)