Can astronauts use a pendulum clock in the International Space Station? Can they use a mass-spring simple- harmonic oscillator to tell the time?

Wich factors affect the electrical force between two objects?

Laura sees a horse pulling a buggy. she wonders how it can accelerate if the action of the horse pulling the cart would causes an equal and opposite reaction of the cart pulling on the horse. which explanation best answers her question?

Asample of a gas in a rigid container has an initial pressure of 5 atm at a temperature of 254.5 k. the temperature is decreased to 101.8 k. what is the new pressure?