Water flows over a section of Niagara Falls at the rate of 1.2 x 10^6 kg/s and falls 50.0 m. How much power is generated by the falling water?

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?