Why compound pendulam is called an equivalent simple pendulam?

The total energy in a system is 675 J. The kinetic energy changes from 296 to 432 J. Which statement best describes the potential energy of this system?

Why does the same side of the moon always face earth?

Y=1/2 at^2 solve for t

In California the pacific plate slides past the North American plate. If the pacific plate is moving at a speed of 5 centimeters per year how long will it take for the plate to travel 100 meters

How many kg are in 3000netons

A small rock with mass 0.12 kg is fastened to a massless string with length 0.80 m to form a pendulum. The pendulum is swinging so as to make a maximum angle of 45 ∘ with the vertical. Air resistance is negligible. A.

What does the model below represent? 200 + 02 → 2002

Efficiency of a standard 60 W lightbulb

1913.0-14.6 * 10^2= Give the answer in scientific notation

What happens to a wave when reflected off a node