A man performed 500 j of work moving a couch in his living room. It took him 10 seconds to move the couch. What was his power?

100w

5000w

490w

50w

If the medium moves perpendicular to the direction of the wave motion, the wave is classified as a longitudinal wave. True or False?

How many electrons can exist on the following energy levels

During any process, the net electric charge of an isolated system does not change.

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will it take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm.)

How long does it take for tylenol to work?

The law that states the volume of gas is directly proportional to its temperature in kelvins if the pressure and the number of particles is constant is * a. Boyle's Law b. Gay-Lussac's Law c. Einstein's law. d. Charles's law.

Which of the following corn pests causes galls to develop on the plant? blight mildew rust smut

Using. 125 mass kgwhat is the velocity

How can you make gravity smaller and bigger

What is friction and explain