The speed of a cyclist reduces uniformly from 2.5m/s to 1.0 m/s. calculate the distance travelled by the cyclist in this time?
who can solve this.. me

An electron moving at 5.06 103 m/s in a 1.23 t magnetic field experiences a magnetic force of 1.40 10-16 n. what angle does the velocity of the electron make with the magnetic field? there are two answers between 0° and 180°. (enter your answers from smallest to largest.)