What is the unit of power

The most common purpose for fracking in the U. S is to get A) petroleum B) natural gas C) geothermal energy D) mineral ores

A mover has to move a heavy sofa of mass 112 kg to the second floor of the house. He uses a rope to pull the sofa up a ramp from the first to the second floor.

Every object with mass exerts a gravitational force on every other object with mass. The gravitational force between which of the following two objects would be easiest to detect with measuring equipment? A. an electron and a bowling ball OB.

Toy car goes 2 meters in 3.1 seconds, find the average speed?

3.00Kg toy falls from a height of 1.00m. What is the kinetic energy just before the ground?

Which of the following subatomic particles does not have a charge? A.) electron B.) proton C.) neutron D.) positron

How do we use light in space?

What units are used for gravitational potential energy? Write the name, not the symbol.

A 7.5 kg block is placed on a table. If it's bottom surface area is 0.6m2, how much pressure does the block exert on the tabletop? A. 376.5 Pa B. 73.5 Pa C. 226.5 Pa D. 122.5 Pa

A boulder of mass 2000 kg is at the top of a cliff of height 220 m. Determine how fast the boulder will be moving when it strikes the dirt below.