What must a magnet always have?

A. Two like poles

B. Two opposite charges

C. Two like charges

D. Two opposite poles

What is the relationship between electricity and magnetism? A. A moving magnet creates a current, and a still magnet creates a current. B. A moving magnet creates a magnetic field, and an electric current makes electrons stand still. C.

a 3330 kg rocket accelerates at 5.0 m/s² upward. Determine the net force. Determine the thrust of the rocket engines.

Describe one place in your daily life where a conductor is used to facilitate heat flow. Describe a different place where an insulator is used to reduce the flow of heat.

What percentage of the original kinetic energy is convertible to internal energy?

What is the first person who arrives at the crime scene know as

7 factors that can affect physical fitness

A force of 100 newtons is applied to a box at an angle of 36º with the horizontal. If the mass of the box is 25 kilograms, what is the horizontal acceleration of the box?

The ATP synthase complex allows ATP production by A. proton-driven rotation of the Fo subunit, which causes F1 to change conformation due to that rotation, allowing ADP to be phosphorylated to ATP. B. substrate-level phosophorylation. C.

How to reverse the heating effects of electric curent

To protect their young in the nest, peregrine falcons will fly into birds of prey (such as ravens) at high speed. in one such episode, a 600 g falcon flying at 20.0 m/s ran into a 1.50 kg raven flying at 9.00 m/s.