Which term identifies a scalar quantity?
(1) displacement (3) velocity
(2) momentum (4) time

How have the competing explanations' experiments on atoms affected the development of the atomic model?

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.