In the sentence "The speed of an object can vary," what does the word vary mean?

A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open at the top. Friction is absent. The spring constant of the spring is 3900 N/m. The piston has a negligible mass and a radius of 0.020 m.

Which is the advantage of waters heat

What is the speed of the unknown nucleus immediately after such a collision?

The difference in the composition of the terrestrial planets and the gas giants can be explained by the different condensation

Which of the following universal forces is the weakest? A) electric B) gravitational C) magnetic D) strong nuclear I also need some explanation for this one

What is currently the most supported theory about the future of the universe A.) the universe could remain exactly as it is today B.) the universe may continue to expand C.) stars could burn out, causing the universe to become dark and cold D.

A 0.3 mm long invertebrate larva moves through 20oC water at 1.0 mm/s. You are creating an enlarged physical model of this larva so you can better study its flow pattern in the laboratory.

Calculate the speed of an object having momentum 7.25 x 10^5 kg. m/s and mass 0.285 kg. Answer in units of m/s.

What is biomass energy

I spilled water in my socket the one in the plug not a sock the plug