What is the only "power" unit of measurement in light energy?

What scenarios best describes how the hawaiian islands formed in the pacific ocean?

If the wavelength of a sound wave increases and the frequency of the sound wave does not change what happens to the speed of the wave? a. it will stay the same b. it will decrease c. it cannot be determined d. it will increase

The current in a hair dryer measures 25 amps. The resistance of the hair dryer is 14 ohms. What is the voltage?

A camcorder has a power rating of 19 watts. If the output voltage from its battery is 5 volts, what current does it use

John and Angie were each pushing a box across the floor. They both push their own box with a force of 30 Newtons; however, Angie's box does not move. What can you infer is the reason Angie's box didn't move? A) No work was done on the box.

A night lamp uses a 30 W bulb. If it is left on continuously for 8 hours, how much energy will it use?

If a drag racer wins the final round of her race by going an average speed of 92.5 m/s in 4.5 seconds, what distance did she cover

An airplane flies due west (i. e. in the-X direction) between two airports. For one-quarter of the distance it travels at 650.0 km/h and the rest at 750.0 km/h. What is the average velocity (not speed) of the airplane?

1. The "Opportunity" rover that just landed on Mars transmitted music back to Earth. If the distance to Earth at the time was 9x107 km and radio waves (a kind of "light") travel with a speed of 3x108 m/s, how long did it take for the signal to reach

Precipitation is most likely occurring at A because it is located A. On a cold ocean surface B. On a warm land surface C. Near the cold front D. Near the warm front