A boat slows from 50 m/s to 15 m/s at a rate of -20 m/s/hr. How long did it take the boat to slow down?

In this experiment, you will use a track, a toy car, and some washers to explore newton’s first two laws of motion. you will make observations and collect data regarding the motion of these objects. in the space below, write a general scientific question that you will answer by doing this experiment.

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?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?