If a car is traveling at an average speed of 20 m/s, how long will it take to travel 500 meters? A. 0.04 seconds
B. 25 seconds
C. 520 seconds
D. 10,000 seconds

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

Why should seat belts not be mandatory quick plz