The planet nearest to the earth is ??
View Answer Explanation
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 ??
A body of 2 kg is suspended from the ceiling of an elevator moving up with an acceleration g. Its apparent weight in the elevator will be ??
The angular speed of seconds hand of a watch in rads-1 is ??
If a body of mass 10 kg is allowed to fall freely, its weight becomes ??
The shaft of a motor rotates at a constant angular speed of 360rev/min. Angle turned through in 1 sec in radian is ??
How many days would be in a year if the distance between the earth and the sun were reduced to half of its present value (assuming circular orbit) ??