Una manguera de riego doméstico, cuyo diámetro interno es de 5/8 de pulgada, se utiliza para llenar un alberca redonda de 7.2 mde diámetro. ¿Cuánto tiempo le tomará llenar la alberca hasta una altura de 1.2m, si el agua sale por la manguera con una velocidad de 0.33 m/s? Necesito ayuda por favr:(

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th

An object in mechanical equilibrium is an object

Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.