As Stephanie approaches a traffic jam, she applies a braking force of 11,000 N. Her car has a mass of 2,000 kg and is moving with a velocity of +18 m/s. What is the impulse imparted to bring the car to a stop?

double the distance = divide strength by 4

frequency or wavelenth of em radiation in a vacuum

the higher the current the higher the mag field around it the higher the influence on the compass

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.