Using 1000 j of work, a toy elevator is raised from the ground floor to the second floor in 20 s. how much power does the elevator use?

Which is true of the low-tide zone? A. It hosts very few kinds of life. B. It is almost always under water. C. Its ecosystem never includes species that live on land. D. Creatures there can spend a lot of time exposed to the air.

Whick of the following quantities are vectors? A. the velocity of a sports car B. temperature C. the volume of water in a can D. the displacement of a tennis player from the backline of the court to the net E. the height of a building

If the speed of a particle triples, by what factor does its kinetic energy increase?

Ow much charge flows from a 12.0 v battery when it is connected across a completely discharged 18.0 μf capacitor

Which of the following statements is true

You have an open air column of length 1.40 m in air at 24.2 °C. What is the frequency of the third harmonic?

Why do we use average force while solving momentum problems? How is net force related to the momentum of the object?

If you had a positive 8 score on the sit-an-reach test you

65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids.

Near which location in New York State would a geologist have the greatest chance of finding dinosaur footprints in the surface bedrock?