A dancer starts 3 meters from the curtain then moves 8 meters from the curtain in 15 seconds. What was his velocity?

A current of 15 amps flows for 8.5 seconds, then the charge is? 123 J 1.829 J 0.54667 J None of the other answers are correct

How does the sun's gravitational attraction impact Earth's motion?

An Object with a mass of 9 Kilograms is traveling with a velocity of 8 meters per second towards the East. What is the momentum of the object? Show your work.

When a yellow light is shined on a white surface, why does the surface look yellow instead of white? A. Only yellow light is available to be absorbed from the white surface. B. White only reflects yellow. C. White reflects all colors. D.

Suppose we were to attempt to use a similar machine to measure the charge-to-mass ratio of protons, instead. Suppose, for simplicity, that we can get a "source" for a beam of protons as we do here for electrons (with a similar setup).

A 2.0-kilogram mass is located 3.0 meters above the surface of Earth. What is the magnitude of Earth's gravitational field strength at this location? (1) 4.9 N/kg (3) 9.8 N/kg (2) 2.0 N/kg (4) 20. N/kg

How long did the astronauts stay on the moon?

Brenda is standing on the beach; the sea is choppy. she observes that the crests of distant waves appear not only smaller, but also closer together than do the crests of waves nearer the beach. this example illustrates a depth cue known as:

If two waves in the same space interfere completely destructively, which of the following occurs? A. The amplitude decreases. B. The amplitude increases. C. The wave speed increases. D. The wave speed decreases.

An electric force exists between which pair of objects? Check all that apply. A) a neutral object and a negative object two negative objects B) a neutral object and a positive object C) two positive objects D) a negative object and a positive object