Si la distancia recorrida por Shelly - Ann Fraser es de 100 metros en un tiempo de 11 segundos. Calcula la velocidad en la que corrió en kilómetros por hora (kph)

Why does the input force have to be greater than the force needed to lift the bale?

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?