Question

What would happen to a car traveling west at a constant velocity of 55 MPH without any influence of external force?

• A. The car would continue moving west with a velocity of 55 MPH
• B. The car would slowly increase its velocity approaching but not reaching the speed of light
• C. The car would slow down but never reach 0 velocity
• D. The car would slow down and come to rest
• E. The car would increase its velocity without changing acceleration

Answer 1

The correct option is A The car would continue moving west with a velocity of 55 MPH

With no external force acting on the car, the state of motion of the car would not change. Therefore, the car would continue to move with the same velocity, i.e. $55MPH$ towards the west.