Which phase of matter do scientists ignore the forces of attraction between particles?

a. solid

b. liquid

c. gas

How does the gravitational force between two objects change if the distance between the objects is doubled?

An object at a temperature of 3° kelvin emits thermal radiation. What region of the electromagnetic spectrum would the peak of this emission fall in?

If two uncharged objects are rubbed together and one of them acquires a negative charge, then the other one

An empty office chair is at rest on a floor. Consider the following forces: 1. A downward force due to gravity; 2. An upward force exerted by the floor; and 3. A net downward force exerted by the air. Which force (s) act on the office chair? 1.

A moving car hits the back bumper of a stationary car. The momentum of the stationary car increases. What happens to the momentum of a the moving car

A copper rod is 0.450 m long. Heat is added to the rod until it expands by 0.00130 m. How much did the temperature change? (Unit=C)

What often happens to light when it travels from one medium to another

60,000 is 100 time as much as

A balloon is expanded to the same volume as that of a human head. Do an order-of-magnitude estimate of the volume of this balloon in cm3.

Which of the following atoms do not usually form bonds