A closed container is filled with oxygen. The pressure in the container is 245 kPa. What is the pressure in millimeters of mercury? Express the pressure numerically in millimeters

A ball is dropped off the side of a bridge. after 1.55 s, how far has it fallen

Which describes the electric forces inside an atom

What power is needed to lift a 49-kg person a vertical distance of 5.0 m in 20.0 s?

a 70 kg skydiver opens her parachute. The force due to air resistance is now 1200 N. what is the acceleration of the skydiver

Energy conversion from potential energy (the energy of position or composition) to kinetic energy (the energy of motion) is illustrated by the diagram of a roller coaster.

Why do people use Earth's motions to determine units of time?

Which of the following could be described as "Energy cannot be created or destroyed, only converted into other forms"? A. Rebound-crumple theorem B. Impulse-momentum theorem C. Law of conservation of energy D. Law of conservation of momentum

Which one of the following statements is true? 1. Burning coal contributes to sulfur aerosols in the stratosphere; these sulfur aerosols have moderated global warming. 2.

A diver on a diving board is undergoing simple harmonic motion. Her mass is 55.0 kg and the period of her motion is 0.800 s. The next diver is a male whose period of simple harmonic oscillation is 1.05 s.

Who was the last person to step on the moon?