Good morning friend from Ohio . Anyone here From Ohio​

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

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.