The ear drum vibrates when struck by sound waves and directly sends a message to the brain that is then recognized as sound True or False

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 momentum of a man riding his bicycle downhill can be calculated. the bicycle and the man have a combined mass of 40 kg. the velocity of the bicycle is 10 m/s. calculate the momentum.

Many science fiction movies and tv shows have detected using a nuclear weapon to destroy astroids what problems does plait see with this plan