The job of the distributor in your automobile is to b. make sure all the spark plugs fire in the proper time sequence 33. Length of string, mass of string, and tension of string only 34. The speed of a satellite in orbit around the earth and its period is a function of the mass of the earth, the gravitational constant, and c. distance from the Earth. There is a bulge in the Earth's oceans, giving us one high tide, but also one low tide, each day. Each of the approximately 25 satellites in orbit contains an atomic clock, as does the hand-held receiver.
Many modern elevators contain a counterweight.