An eastbound car travels a displacement of 80.0 Km in 45 minutes. What is the velocity of this car in both Km/h and m/s?

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

What are the north and south poles of a solenoid change with?

The discovery of the electron as a subatomic particle was a result of