What is mag-lev technology?

A 1,600 kg train car rolling freely on level track at 16 m/s bumps into a 1.0 * 103 kg train car moving at 10.0 m/s in the same direction, and the two latch onto each other and continue together. What is their final speed? A.) 16 m/s B.) 6.0 m/s C.

A 0.050 kg bullet strikes a 5.0 kg stationary wooden block and embeds itself in the block. The block and the bullet fly off together at 9.0 m/s. What was the original velocity of the bullet?

Suppose that 3.00 g of hydrogen is separated into electrons and protons. Suppose also that the protons are placed at the Earth's North Pole and the electrons are placed at the South Pole. What is the resulting compressional force on the Earth?

Tendonitis causes the tendon to become ___. a. weaker. c. elastic. b. inflamed. d. none of the above.

What affect do mass and distance have on the force of gravity?

Which si prefix means one one-hundredth (1/100) ?

A sled is being pulled to the left by 5 dogs with 6 newtons of force. Find the net force

Objects become electrically charged as a result of the transfer of

How many electrons do most atoms seek to have on their valence shell? Using this information, explain why certain elements are unreactive and why other elements are reactive.

Which of the following statements is good advice to prevent becoming overly emotional? A. There is no way to prevent becoming overly emotional. B.