A body moving with SHM has an amplitude of 10cm an a frequency of 100Hz. Find i. the period of oscillation, ii. the acceleration at the maximum displacement, iii. the velocity at the centre of motion.

Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?