he graph shows a marble rolling down a curve from position 1 to position 5. In which position is the potential energy of the marble greatest?

A 100kg cannon at rest contains a 10kgcannonball. when fired, the cannonball leaves the cannon with avelocity of 90m/s. what is the magnitude of the recoil speed of thecannon.

Which has a lower specific heat, land or water?

Fire trucks have the word FIRE written two ways, as seen here, on the front of the truck. Why is that?

A car accelerates from 3.5 m/s to 17 m/s in 4.5 seconds. Find the acceleration of the car in m/s2

What is the process that occurs when water vapor is cooled and changes from a gas to a liquid

What is the kinetic energy of a 2 kg snowball thrown through the air at 5 m/s?

A 5.00*105-kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 m by a large spring bumper at the end of its track. what is the force constant k of the spring

A moving object always has energy in its?

What is the volume of a box that is 12 cm long, 2 cm wide, and 3 cm high?

Suppose a child drives a bumper car head on into the side rail, which exerts a force of 4000 N on the car for 0.200 s. (a) What impulse is imparted by this force?