If the ‍♀️

work on a simple machine equals the output work, the

machine is said to be 100% efficient.

Answer here

How to check if something is glass or plastic?

If a ball is launched horizontally at 40 m/s from a bridge, what will be the magnitude of its horizontal velocity after 3 seconds?

Coal burns in a furnace, producing light and heat. This reaction is

Rubidium atoms are cooled to 0.20 μK in an atom trap. What is their de Broglie wavelength?

What does exert pressure mean?

Two objects repel each other with a force of 8N. if

Mike walked 450 m west. He then turned and walked 150 m to the east in 300 seconds. what was his velocity?

Unpolarized light with intensity 300 W m2 is incident on three polarizers, P1, P2, and P3 numbered in the order light reaches the polarizers. The transmission axis of P1 and P2 make an angle of 45?.

Which of these is not an example of a physical change? a. a nail rusting b. a rock cracking c. blowing up a balloon d. stretching a piece of clay

The rate at which veloity changes over time is known as - Question options: A. speed B. acceleration C. Newton D. force