Help with this please

An airplane flying parallel to the ground undergoes two consecutive displacements. the first is 76 km at 39.8◦ west of north, and the second is 156 km at 59.9◦ east of north. what is the magnitude of the plane’s total displacement? answer in units of km. 020 (part 2 of 2) 10.0

The metric unit of electrical power is the watt volt ampere ohm

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?