A ball is simulteniously,given two velocities:one 10m/s due east and other 20m/s due north west.Calculate the resultant velocity of the ball.
(answer it with explanation)
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Resultant vector = √A^2+B^2+2ABcos theta
Here,
A = 10
B = 20
theta = 90+45 = 135°
The resultant vector
= √100+400+(2×20×10) × cos(135)
= √900 -√2/2
= 14.74 m/s
Here,
A = 10
B = 20
theta = 90+45 = 135°
The resultant vector
= √100+400+(2×20×10) × cos(135)
= √900 -√2/2
= 14.74 m/s
parida912001:
such a brilliant answer
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