Two students are riding on a sled down a 100 m hill. It takes 25 seconds to 2 points reach the bottom of the hill. What is their speed?"
250 m/s
250 mph
4 m/s
0.25 m/s

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

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.

Consider this initial-rate data at a certain temperature for the reaction described by