Asteroids were recently formed by the collision and breakup of an object orbiting in the asteriod belt.
a. true
b. false

True or false a high force means an object is moving fast100 points!

Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.