What is the name of this earlier hypothesis?

The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.

What organization and environment is described above?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created