What determines whether or not work is being done?

A computer and monitor together have a power rating of 440 watts. If they use 110 volts, what current runs through the devices? a) 330 amps b) 4 amps c) 550 amps d) 48,400 amps

what is your opinion of the balance of nature hypothesis

A small electric motor produces a force of 5 N that moves a remote-control car 5 m every second. How much power does the motor produce? Give your answer in watts and horsepower.

A 1,200 kg dragster, starting from rest, reaches a maximum velocity of 140m/s in 5 seconds. At the 5 second mark, the dragster deploys a parachute bringing it to a stop in 3.5 seconds.

Which describes the weak nuclear force only? Check all that apply. is attractive is repulsive has an infinite range has a very small range is stronger than the gravitational force is weaker than the electromagnetic force

You push a 5-kg box across the floor with a force of 25N. How far do you have to push the box to do 63J of work?

The amount of gravity between 1kg of lead and Earth is ___ the amount of gravity between 1kg of marshmallows and Earth. a. greater than b. less than c. the same as d. none of the above

What is the best way to dry a thermometer servsafe?

What is a sphygmomanometer?

What part of a circuit has the main job of conducting the electricity?