Niagara Falls is a good example of

a.

kinetic energy being converted into potential energy.

b.

potential energy being converted into kinetic energy.

c.

energy being lost.

d.

energy being created.

A car traveling at 80 kilometers per hour is passed by a second car going in the same direction at a constant speed. After 30 seconds, the two cars are 500 meters apart. Find the speed of the second car.

A boat is leaving the dock. what sound signal should be used to alert others?

Blank is what is happening in the air or atmosphere at one time in one place?

Substance A has a higher heat capacity than does substance B, and substance B has a higher heat capacity than does substance C.

The electron gun in an old CRT television accelerates electrons between two charged parallel plates (the cathode is negative; the anode is positive) 1.2 cm apart. The potential difference between them is 25 kV.

If a 0.200-kilogram ball sits on a shelf 2.00 meters from the floor, how much mechanical energy (me) does it possess?

Which statement describes static equilibrium? A. The forces on an object are unbalanced. B. An object has balanced forces acting on it and constant velocity. c. The forces on an object are balanced and there is no motion. D.

What is the rate at which work is done in lifting a 35 kg object vertically at a constant speed of 5 m/s? 1 1700 W 2 340 W 3 180 W 4 7.0 W

The owner of a window treatment company wants to design Shades that will cover the windows of the house.

What direction of magnetic field lines inside my magnet