A wheel of radius one meter rolls forward half a Revolution on horizontal ground. Find the magnitude of the displacement of the point of the wheel initially in contact with the ground.
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Step-by-step explanation:
Given, the radius of the wheel is 1m. so,its circumference is 2π m
when it rotates half, the initial point of contact is vertically above the final point of contact.thus,the three points form a right triangle.
by pythagoras theorem, we solve it to get the magnitude of displacement,which is the hypotenuse.
thus, d=√4+π²
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Step-by-step explanation:
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