Physics 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.

Which of the following can do more work?

When a compressed slinky is released it converts potential energy into

The value of g on the moon is 1/6th of the value of g on the earth. If a man can jump 1.5 m high on the earth, on the moon, be can jump up to a height of

The given symbol stands for a/an ___ in an electric circuit.

An Odometer is an instrument used to measure ____ in automobiles.

If I is the current through a wire and e is the charge of an electron, then the number of electrons crossing in t seconds will be given by

A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is