during a 2 hour trip, a family is able to travel 140 kilometers. what is the average speed of the family during this portion of this trip?

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm