A crane uses an average force of 5,200 N to lift a girder 25 m. How much work does the crane do on the girder?

How could you find the volume of a small pebble if you had a graduated cylinder with some water and a small pebble only

What information does the color of a star tell you?

In a classroom, why can we hear the sound waves produced by the teacher talking?

If you want your investment or savings account to be easily turned into cash without losing its value, you should consider the?

The water supply for a city is often provided from reservoirs built on high ground. Water flows from the reservoir, through pipes, and into your home when you turn the tap on your faucet.

How do mountins building and volcanos relate to plate motion at convergent boundaries

A 20kg box is dropped 13m. how much work is done

Suppose a person whose mass is m is being held up against the wall with a constant tangential velocity v greater than the minimum necessary. Find the magnitude of the frictional force between the person and the wall

A ball is being rolled by a normal push of 1000N. it is opposed by friction which has a force of 0.3kN and air resistance which has a force of 23N. Calculate the resultant force.

Consider a Young's two-slit experiment in which the wavelength of light is 37% smaller than the distance between the slits.