A 15.0 kg mass is spun in a circle of radius 6,0 m vith a frequency of 25 Hz, a. What is the period of its rotation?
b. What is its velocity?
c. "What is its acceleration?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.

Which of the following is the best name for mgcl2