Suppose you put in 100 j of work on a lever and get out 93 j of work. what is the efficiency of the lever and how much of the work input is lost as heat in joules?

Sierra did 500 J of work to move her couch. If she exerts 250 N of force on the couch, how far did she move it?

What is the wavelength of a radio photon from an "am" radio station that broadcasts at 1080 kilohertz?

The purpose of the fraud fighter / black light machine is to:

A brand new, giant 60" LCD TV uses 0.92 kWh of electrical energy in 1 hour. How many watts of power does the TV use in 1 hour?

8. A measure of inertia is an object's a. mass. C. velocity. b. weight. d. acceleration.

When is a body said to be at rest

27. Calculate the impulse when an average force of 10 N acts on a cart for 5.0 s.

A boy on a bicycle is resting at the top of a hill then he rides his bicycle down the hill describe how the boy potential and kineti energy differ at the top middle and bottom of the him

What is the displacement and distance if I walk 8 blocks north, 9 blocks west and 10 blocks south

What investigations provide large amounts of information about a wide range of variables.