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:(

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.