A 1kg of compound a with specific heat capacity of 1000J is heated increasing its temp by 1 degree. How much energy has been added to block

Which describes a sound wave? A) A sound wave travels in a vacuum. B) A sound wave is a longitudinal wave. C) A sound wave is an electromagnetic wave. D) A sound wave has one constant speed.

How does an electric motor use magnetic force to produce motion? A. The north pole of a permanent magnet placed in the center of an electromagnet attracts the north pole of the electromagnet. B.

For water vapor to turn back i to a liquid what do you do to it's temperature

A ball is tossed upward. Which of the following statements correctly describes the energy transformation as it rises? A) Group of answer choices Both the gravitational potential energy and the total energy increase. B) The total energy increases.

Heat is an exchange of internal energy from one system to another due to

Which is generally easier to accomplish? Prove a hypothesis Disprove a hypothesis

What is the speed of light in AU/h?

What is the frequency of a pendulum that is moving at 30 m/s with a wavelength of. 35m?

A 1kg of compound a with specific heat capacity of 1000J is heated increasing its temp by 1 degree. How much energy has been added to block

When the surfaces of two semi-infinite solids at different uniform initial temperatures are brought into intimate contact with each other, the following statements are correct: The heat flux from one surface equals that into the other.