what's velocity in physics

what is the gravitational potential energy of a clock that had a mass of 4 kg and is positioned 1.5 m off the ground

Which best describes the direction of heat? (a) from a substance with no thermal energy to a substance with high amounts of thermal energy (b) from a substance with less thermal energy to a substance with more thermal energy (c) from a cooler

What type of change is needed to break down a compound

The smallest atomic unit which maintains the physical properties of a compound is a (n): a.) atom b.) element c). molecule d.) mixture

A machine gun fires 25 g bullets at the rate of 600 bullets per minute with a speed of 200 m/s. Calculate the force required to keep the gun in position.

When light (or another wave) bounces back from a surface?

The idea that mental states are dispositions to behave in particular ways in certain Circumstances is known as

What device consists of coils with many turns and is used in speakers, motors, and other electronic equipment? magnet solenoid generator turbine

What can we conclude from observing an attractive force between a positively charged rod and an object?

In what state do hydrogen and helium exist in a star