In a machine, work output is less than work input because some energy is converted into thermal energy. true or false.

Water cools from2oC to - 2oC. During this time, what happens to the motion of the molecules? A) The motion of the molecules stops. B) The motion of the molecules increases. C) The motion of the molecules decreases.

What is another name for the electromagnetic spectrum?

Which best describes loudness

Are microwaves and radio waves faster or slower than other types of electromagnetic energy?

If speed is measured in km/hr, what is the unit for acceleration

Why does a charged balloon stick to a neutral wall?

While the cart is moving along an aisle, it comes in contact with a smear of margarine that had recently been dropped on the floor. Suddenly the friction force is reduced for - 40.0 newtons to - 20.0 newtons.

When a solo eclipse occurs. It is seen in

Newtons third law describes the forces between two colliding objects. use this connection to explain the forces acting when you kick a soccer ball

In the heat equation, what does c represent