Una bombilla tiene la siguiente indicacion: 220v y 100w. Calcula la resistencia R y el consumo de corriente I. ?

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Describe uniform velocity and variable velocity in short