Can someone answer these questions? Im really sorry for the long 15 questions but it would save me and basically my whole class.

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.

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Ain is , is 's of ? 0.62 0.79 1.27 1.50