A is the time it takes for the Earth to rotate 360 degrees relative to the background stars.

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

What causes the formation of ocean currents?

The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.