An object is moving with a velocity of 20 m/s. A force of 10 N is acting in a directionperpendicular to its velocity. What will be the speed of the object after 10 seconds?
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the component of force towards the velocity is F cos@ where @ is the angle between force and velocity .
here @=90°
so, F cos 90°= 0
as there is no force towards the velocity so the velocity remain same after 10 sec
here @=90°
so, F cos 90°= 0
as there is no force towards the velocity so the velocity remain same after 10 sec
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