5. In a lab experiment, 45 grams of a metal are heated from 22⁰C to 78⁰C by the addition of 450 J of heat. What is the specific heat of the metal? Show all calculations leading to an answer.

Which of the following elements are least abundant in the solar system? Oxygen Carbon Helium Hydrogen Nitrogen

An object is in motion when it's distance from another object is changing. True or false

A spring stores potential energy u0 when it is compressed a distance x0 from its uncompressed length.

What makes an atom or object neutral?

What is the name of the change in state by which some more energetic molecules in a liquid leave the surface, leaving the rest of the liquid slightly cooler.

On a cold winters da, y, If you left a drink setting outside, it could freeze. Explain why in a complete sentence Hint-Consider th kinetic theory of heat that explains that temperature is directly related to kinetic energy of atoms.

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?

In objects motion will not change is the force is acting on the object are blank