Calcular la masa de combustible del depósito lleno de un automóvil de 60 L, si su densidad es igual a 700 kg/m3. *

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?