Which describes what happens when fuel is ignited in a heat engine?

How does a parallel circuit change when a branch is added? 1. The total resistance increases, so the current in the circuit decreases. 2. The total resistance decreases, so the current in the circuit increases. 3.

Suppose you use a diffraction grating that contains 600 lines/mm in your spectroscope. What effect would you expect this to have on the sharpness and resolution of the lines in your line spectrum?

a 4m long straight wir that carries acurrent of 0.5A is placed perpendicular to a uniform magnetic field. if the size of magnetic deflection force is 0.4N, then what is the strength of magbetic field?

Define state of rest.

Which law of thermodynamics would be violated if heat were to spontaneously flow between two objects of equal temperature?

The heat energy released or absorbed by a chemical reaction is generally determined by the difference between the energy that

A woman with a mass of * kg is standing on the rim of a large disk that is rotating at an angular velocity of 0.550 rev/s about an axis through its center. the disk has a mass of * kg and a radius of * m.

12. Too much socializing in the workplace can

What magnetic field strength is needed in each magnet to steer protons around the ring with a speed of 4.5 * 107 m/s? Assume that the field is uniform inside the magnet, zero outside.

The parts of a longitudinal wave that are closet together?