The circumference subtends an angle ??
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A man of weight W is standing on an elevator which is ascending with an acceleration a. The apparent weight of the man is ??
The angular speed for the daily rotation of the earth in rad S-1 is ??
Who discovered the inverse square law for gravity ??
When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is ??
The planet nearest to the earth is ??
A cyclist cycling around a circular racing track skids because ??
A satellite moving around the earth constitutes ??
If a wheel of radius r turns through an angle of 30° then the distance through which any point on its rim moves is ??
The minimum number of communication satellites required to cover the whole earth is ??
In an angular motion, Newton’s second law of motion is ??