What is the change in internal energy if 50 J of heat are released from a system, and the system does 80 J of work on its surroundings?

On the water simulation, what does the crest (peak) of the wave look like in the top view? what does the trough look like?

A 100-W light bulb generates 95W of heat, which is dissipated through a glass bulb that has a radius of 3.0 cm and is 0.50 mm thick. What is the temperature difference between the inner and outer surfaces of the glass? Use 'deg C' as your units.

a block suspended from a spring. The spring is stretch 0.5 m. If the spring constant is 500 N/m, what is the weight of the block?

Explain the similarities between a car at rest and a car traveling at a constant velocity.

Differentiate velocity and speed

What is the net force in the x-direction? 30 N 34 N 55 N 65 N

If an object does not have domains, will it be possible to make it magnetic?

If the loop is then converted into a rectangular loop measuring 2.1cm on its shortest side in 6.50ms, and the average emf induced across the loop is 14.7V during this time period, what is A. the strength of the B-field

Why would you expect to see similar rocks and rock structures on two land masses that were connected at one time?

A quantity that is ignorant of direction is referred to as a