Easy ! 20 plz only correct ! you want to determine your speed running across the room. what is one piece of data you need? a) the distance you run b) when you start your stopwatch c) how big each step is d) how fast you are moving

The particles of an ice cube at 0°c (represented by the blue circles) come in contact with the particles of juan’s hand at 37°c (represented by the orange circles). which diagram correctly represents the temperature of the two substances and the direction of heat flow?

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Why should seat belts not be mandatory quick plz