A traveler pushes a suitcase 95.2 m with a 17.9 N force directed at 61.3° angle. How much work does she do? Unit = J

How do we know the earth has layers?

A box contains about 5.64 x 1021 hydrogen atoms at room temperature 21°C. Find the thermal energy of these atoms. Answer in units of J.

Which law represent a balanced chemical equation?

when you stretch a spring 13 cm past it's natural length, it excerts a force of 21 N. What is the spring constant of this spring?

How do you tell a stars life expectancy based on an hr diagram?

It always takes to change the motion of an object. O A. electricity OB. energy C. gravity D. density Reset

What might a psychodynamic theorist think about a person with extreme shyness?

Determine the magnitude of the acceleration for the speeding up phase.

A battery is used to?

A person riding on the roof of a freight train throws a ball forward. (a) If we ignore air drag and relative to the ground, is the ball moving faster or slower when the train is moving than when it is standing still?