Answer:
the blood from carrying oxygen to the tissues of the body
Explanation:
low speed means non relativistic.
the velocities relative to an observer outside the train are added.
51 m/s.
Were ita light wave, rather than Emma, the speed wold not depend on the speed of the train. Though that may sound surprising, I think it's true. Special relativity says more about this.
Special relativity "shows up" when the speeds get very high indeed.
Answer:
to make a magnet repel a metal, one must first understand the properties of a magnet. A magnet has two poles, a north pole and a south pole. When magnets are placed near each other, opposite poles attract and like poles repel one another.