16. The laws of physics state that energy .

cannot be destroyed

can be created

originates as heat

is electrical

What should the power status of a circuit be when measuring resistance with an ohmmeter?

James joule carefully measured the difference in temperature of the water at the top and bottom of a waterfall. why did he expect a difference

Aball is fired with an initial velocity of 500 m/s at an angle of 30 degrees above the horizontal across a level field. a. what are the horizontal and vertical components of the initial velocity. b. calculate the maximum height, the time of flight, and the range of the ball.