A person walking at 3.4 miles per hour change to mm/s

True or False if something was turn to make something is it a chemical reaction

Boyle's law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4l, the pressure is 720 kpa (kilopascals). What is the pressure when the volume is 10l?

Fifteen joules of heat are added to a cylinder with a piston. The system uses 7 joules of energy to raise the piston upward. By how much did the internal energy of the system increase?

If the kinetic and potential energy in a system are equal, then the potential energy increases

How long does it take for sunlight to reach the earth?

What percent of my Iodine-131 sample will be left after 7 half-lives?

A 58.0 kg snow skier is on the top of 351 m high hill. After she has gone down a vertical distance of 142 m, what is her mechanical energy? Explain your answer (CER) !

A sphere has a mass of 2.10kg and travels along a horizontal plane at the velocity of 12.2m/s. Find the energy

What is the force required to accelerate a baseball with a mass of 0.145 kilograms and an acceleration of 35.00 meters/second squared?

A 4.00 kg stone is dropped from a height of 145 m. What is the stone's potential and kinetic energy respectively when it is 50.0 m from the ground?