What happens to the charge lost by an object?

A coil of wire is comprised of 5 turns, has a current of 2 mA running through it, and a net magnetic field at its center of B is equal to start fraction mu naught over 40 end fraction times T. What is the radius of the coil of wire?

When melted does the size of butter change

When driving straight down the highway at a constant velocity you have to give the engine a little gas (which means an added external force of tires pushing on the road) to maintain your uniform motion.

Duane skis down a hill at an angle of 42°. He has a mass of 92 kg. What is the normal force on Duane?

What's the difference between constant acceleration and constant speed

How do the properties of sound waves change as they spread out in a spherical pattern?

Sandra moves 14 m in 2 minutes. What is Sandra's average velocity (in m/s) ?

Consider two waves X and Y traveling in the same medium. The two carry the same amount of energy per unit time, but X has one-seventh the amplitude of Y. What is the ratio of their wavelengths? (λY/λX=?)

A 60-kg man uses an electric chair to carry him up the stairs. if the chair has a mass of 200 kg, what power must a motor generate to transport the man and chair 5 m vertically in 10 seconds, assuming a constant velocity and ignoring all forces

5. A massless string passes over a frictionless pulley and carries mass m, hanging at one end and mass 'mz' connected by another mass less sting to mass 'mz' at the other end as shown in figure.