Q1) Calculate the gravitational force between two large trucks, each with a mass of 6500 kg, if they are parked next to each other separated by a distance of 0.5 m Ignore all other
gravitational forces.

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •  

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?