A runner accelerates at a rate of 3a from a velocity of 2V to 4V. Solve for: a) the time for this acceleration to occur

b) the distance traveled by the runner

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration