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

What is march madness? Where does the final four take place this year? who participated in it and when does this event occur? What would u choose to study while at this particular college?

A 5kg mass at rest on the ground is rised up to 15m. Find the work that was done on the object. A. E before=___ Work=___ E after=___ B. Conservation of Energy equation: C. Solve.

What is the energy required to remove an electron from an atom?

What determines the allowed time of existence for a virtual particle? A. tiem energy uncertainty relation B. its momentum c. special relativity d. decay time

What is the equivalent resistance for a parallel circuit that has two resistors: 18.0 ohms and 23.5 ohms? A. 10.2 ohms B. 20.8 ohms C. 5.5 ohms D. 41.5 ohms

An engineer has the task of producing an aluminum alloy with a density of 3.0 grams per cubic centimeter. She comes up with the perfect alloy and saves a sample of it. Which mass and volume measurements correspond to this sample? 7 g and 2.

What must be your car's average speed in order to travel 235km in 3.25 hours?

At a certain location, the horizontal component of the earth's magnetic field is 2.5 * 10-5 T, due north. A proton moves eastward with just the right speed for the magnetic force on it to balance its weight. Find the speed of the proton.

An acrobatic airplane performs a loop at an airshow. The centripetal acceleration the plane experiences is 14.7 m/s2. If it takes the pilot 45.

Which of the following was NOT an outcome of Bacon's rebellion? A. A more direct focus on the "Indian Problem" B. A more focused plain to isolate black slaves from white servants C.