What is the kinetic energy k of an electron with momentum 1.05*10-24 kilogram meters per second?

Momentum = mv

where m is the mass of an electron and v is the velocity of the electron.

v = momentum : m

= (1.05*10∧-24) : (9.1*10∧-31) = 1,153,846.154 m/s

kinetic energy = (mv∧2) : 2

= (9.1*10∧-31 * 1,153,846.154∧2) : 2

= (1.21154*10∧-18) : 2

= 6.05769*10∧-19 J