An electromagnet is a

If the gas in a thermally insulated container does work on the piston, what happens to the temeprature?

An object has an x-momentum of 85 kilogrameters/second and a y-momentum of 9.8 kilogrameters/second. What is resultant momentum of the object? A B. C 15.5 kilo m eters/second 148 kilogrameters/second 12.97 kilogrameters/second D.

A boulder and a pebble are sitting on a cliff, which has greater gravitational potential energy and why? A cheetah and a person are racing, both has the same mass, which has a greater kinetic energy and why?

The universe is made up of ___? A. one galaxy B. Several galaxies C. Thousands of galaxies D. No galaxies

What is held together by intermolecular forces? atoms charged particles molecules compounds

A small car collides with a large truck. Is the magnitude of the force experienced by the car greater than, less than, or equal to the magnitude of the force experienced by the truck? a. less than b. equal to c. greater than

As an airplane is taking off at an airport its position is closely monitored by radar. The following three positions are measured with their corresponding times: x1 = 241.22 m at t1 = 3.70 s, x2 = 297.60 m at t2 = 4.20 s, x3 = 360.23 m at t3 = 4.

A stunt car with a mass of 1000 kg crashes into a tree on a movie set during the collision acceleration of the car with 3 m what was the force of impact of the collision on the car

A circuit with a current of 400 amp has several lights that have a total resistance equal to 30 ohms. Find the voltage.

How many neutrons does element x have if it's atomic number is 35 and it's mass number 71