Are all magnetic fields created with electricity

If a fox starts from rest and accelerates at a rate of 1.1 m/s^2, how long does it take the fox to run 5 m A. 3.0s B. 4.5s C. 9.1s D).22s

What is the value of media in our life

What is the net force on an object when you combine a force of 10n north with a force of 5n south?

Match the simple machine with the correct definition. 1.___pulley 2.___wedge 3.___first - class lever 4.___screw 5.___Inclinded plane 6.___second - class lever 7.___wheel and axle 8.___lever 9.___third - class lever A. any slanting, flat surface B.

I'm thinking it's 2? You are asked to explain the Earth's magnetic field. Which is the best reply? 1. The Earth's magnetic south is similar to the north pole of a magnet. 2.

What trends were seen in Mendeleev's periodic table?

Through which medium would EM waves travel the fastest? A. The Ocean B. The Atmosphere C. Rocks

Average mass of a toy car (small, hot wheels) ?

A cannon directed straight upward launches a ball with an initial speed v. The ball reaches a maximum height h in a time t. Then, the same cannon is used to launch a second ball straight upward at a speed 2v.

Does the sun fuse hydrogen into helium or vice versa?