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

Select all the substances that can transmit sound waves. a. air b. wood c. water d. ground e. oxygen gas f. empty space

A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds. A) 5.3 meters/second B) 4.3 meters/second C) 9.

Which has a larger resistance, a 60 W lightbulb or a 100 W lightbulb? Which has a larger resistance, a 60 W lightbulb or a 100 W lightbulb? There's not enough information to tell. The 100 W bulb. The 60 W bulb. Their resistances are the same.

If a stone with an original velocity was of 0 Is falling from a ledge and takes 8 seconds to hit the ground what is the final velocity of the stone

Which of theese are symptoms of bipolar disorder? A. Changes in thoughts, feelings, or behaviors B. Losing control of reality C. Fears that that are difficult to control D. Extreme mood swings and changes in energy levels and behavior

Why is it important for engineers to design bumper cars safely

What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Light is absorbed.

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.

Choose all the answers that apply. To qualify as a planet, a celestial object must: have an irregular shape revolve around the sun orbit in a clear area have enough gravity to have a spherical shape have a satellite