Question

2. In a medical laboratory, a sample of albumen with a mass of 25 ng is placed in a test tube. The test tube containing the 25-ng albumen sample is put in a centrifuge (with a radius of 12.5 cm), which spins at 4500 revolutions per minute. Calculate (a) the centripetal acceleration. (b) What is the centripetal force acting on the DNA sample?