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

A football player initially at rest accelerates uniformly as she runs down the field, travelling 17m (E) in 3.8s. What is her final velocity?

What sinle cellular organisms

A homeowner installs an electrical heated mirror into the shower room. When a person has a shower, the heated mirror does not go misty but stays clear, why?

Samantha is making waves in a tub of water by pushing a block up and down at one end of the tub. She observes the properties of each of the waves. What can she say about the properties of the waves?

Which of the following statements is true concerning mechanical waves and electromagnetic waves? A Both electromagnetic waves and mechanical waves require a medium to travel through.

Which phenomenon generates electric current? A black body radiation B ultraviolet catastrophe C emission spectra D photoelectric effect

What is the product of 3.15 m and 2.006 m with the correct number of significant figures?

Consider what happens at the moment when the block leaves the surface of the globe. Which of the following statements are correct? - The net acceleration of the block is directed straight down.

A mechanic pushes a 3.00 ✕ 103-kg car from rest to a speed of v, doing 4,680 j of work in the process. during this time, the car moves 26.0 m. neglecting friction between car and road, find v and the horizontal force exerted on the car.

Explain how latitude determines wind patterns