Question

Help Victoria calculate her instantaneous speed on the last movement. At first she moves 10 meters in 3 seconds, rests 5 seconds. After that, she jumps for 25 meters in 30 seconds and then rests 12 seconds, finally she makes a giant step (1 m) in 2 seconds.

Answer 1

Answer:

In 1820, a Danish physicist, Hans Christian Oersted, discovered that there was a relationship between electricity and magnetism. By setting up a compass through a wire carrying an electric current, Oersted showed that moving electrons can create a magnetic field.