Can you separate standards from testing?

What is true of electrolytic cells but is not true of galvanic cells?

I need a short written description of Newton's three laws. Newton's First Law:Newton's Second Law:Newton's Third Law:

a car with an initial velocity of 10ms north was accelerated for 6 second until it ha a final velocity of 25ms north, what is the cars acceleration?

A very big hockey puck with mass 2.5 kg traveling 20 degrees north of east at 10.0 m/s strikes a puck with a mass of 4.0 kg traveling north at 2 m/s. The 2.5 kg puck exits the collision in a direction that is 30 deg. north of east at a velocity of 8.

If a rocket travels 5600. km in 3.00 hours, what's it's speed?

If you are standing on a weighing scale in an elevator what happens to your weight if the elevator accelerates up or accelerates down? Are you going to weigh less, weigh more or the same?

A student throws a coin vertically downward from the top of a building. The coin leaves the thrower'S hand with a speed of 15.0m/s. How far does it fall in 2.00 s?

A force between two objects?

Two iron rods are placed horizontally, touching end-to-end. One end of one rod is heated. After some time, the other rod also feels warm to touch.

Which part of the motor is responsible for reversing the flow of current?