a certain engine has a second-law efficiency of 85%. During each cycle, it absorbs 480J of heat form a reservoir at 300C and dumps 300J of heat to a cold termperature reservoir. What is the temperature of the cold reservoir?

Your study buddy claims that an electron always experiences a force in an electric field, but not always in a magnetic field. do you agree? why or why not?

Which contemporary subfield focuses on assessing and treating people with mental disorders?

There are four major auto routes from boston to detroit and six from detroit to los angeles. how many major auto routes are there from boston to los angeles via de-troit

An object has a mass of 8.00 kg. what is the gravitational force of the object on earth

Which situations would result in interference? Check all that apply. a wave bouncing off an object a wave bending as it moves through an object a wave scattering as it moves through an object a wave increasing in energy as it hits another wave a

Why do we use average force while solving momentum problems? How is net force related to the momentum of the object?

If you had a positive 8 score on the sit-an-reach test you

65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids.

Near which location in New York State would a geologist have the greatest chance of finding dinosaur footprints in the surface bedrock?

E=mc^2 solve for c E/m m/E sqrt (E/m) sqrt (m/E) E - m sqrt (E-m)