Avoltaic cell consists of an au/au3+ electrode (e° = 1.50 v) and a cu/cu2+ electrode (e° = 0.34 v). calculate [au3+] if [cu2+] = 1.20 m and ecell = 1.13 v at 25°c.

Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) determine the magnitude and direction of projectile velocity at t= 1.3s b) determine the magnitude and direction of projectile acceleration at t=1.3s

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

Which sound characteristic is not affected by the relative motion of an object