Jessica took a mylar balloon outside on a very cold day. as she waited for the bus the balloon began to shrink. what is the best explanation of this? a) it must have mass. b) it must have volume. c) it must have energy. d) it must have mass and volume.

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?

Which statement is true about an object that is moving in a circular motion due to centripetal force, f, when the radius of its circular motion is doubled? the new force then becomes equal to 2f the new force then becomes equal to f the new force then becomes equal to f/2 the new force then becomes equal to f2 the new force then becomes equal to 1/f

How is science controlled by the governerment