Which change in state requires that energy be added to the substance

Freezing

deposition

Condensing

Vaporizing

What is the best term used to describe a vehicle hitting another object?

If two stars are the same size but different temperature which star is more luminous

On what basis are different photons to be distinguished? A. Their energy levels B. The atoms they come from C. Their masses D. Their speeds

If dede's car goes from 0m/s to 8 m/s in 1 sec. What is her acceleration

What are two ways in which scientists can show creativity?

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?