A stone falls freely from rest. How fast is it falling after 10 seconds

What is the total energy of all the particles in a substance?

The process by which people walk A) requires only a little energy. B) is powered by the body's surplus heat energy. C) relies on the conversion of chemical energy from food into mechanical energy by muscles.

Which of the following is an illuminated object? A. the sun B. a flashlight C. a firefly D. the moon

A heat engine does 300 J of work during one cycle. In this cycle 900 J of energy is wasted. What is the efficiency of the engine? A. 0.25 B. 0.33 C. 0.50 D. 0.75

We have a hollow metallic sphere with charge - 5.20 µC and radius 5.40 cm. We insert a + 10.4 - µC charge at the center of the sphere through a hole in the surface. What charge now rests on the outer surface of the sphere?

run at the same speed and in the same direction, and they both run for the same amount of time, what can you say about the distance they travel?

How can you show positive body languages with your mouth

After making minor changes to a team report, Jeff felit like he had done enough work on the project. When he was asked to contribute more, he got offlended and quit responding to requests from some leam members.

How many basic wave forms are there? A.) 1 B.) 2 C.) 3 D.) 4

Calculate the acceleration of a 90-kg skydiver with a net force of - 883 N