Calculate the efficiency of an engine if the work input is 300. j and the work output is 100. j

Tell me one way compound and elements are similar & one way compounds and elements are different

3. Does a wire with a current running through it have an electric field, a magnetic field, or both? Explain how you know.

Which a vector quantity: speed or velocity?

Which of these statements best compares the processes by which energy is produced in the sun and nuclear power plants? a. atoms fuse in the sun, but atoms break up in nuclear power plants. b.

When an ion accelerates through a potential difference of 2160 V its electric potential energy decreases by 3.46*10-16 J. What is the charge on the ion?

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

Which wavelengths of light is the highest in energy?