Questions

Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.

If the distance travelled by an object is zero, then the displacement of the object

A ball, thrown vertically upward, rises to a height of 80 m and returns to its original position. The magnitude of its displacement after 7 s of motion will be ____. (take g = 10 m/s2)

A compressed spring possesses more energy than a spring of normal length because the compressed spring has

California - based private spaceflight company Space X has launched which secret mission for United States government?

"An Extraordinary Life, An Indian Destiny" is a biography on

In the following question, select the odd word pair from the given alternatives.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'. 

What happen (1)/ at your (2)/ college today? (3)/ No error (4)