Two charges q1 and q2 are separated by a distance d and exert a force f on each other. what new force f ′ would exist if q1 is quadrupled? 1. none of these 2. f ′ = 1 4 f 3. f ′ = 1 16 f 4. f ′ = 16 f 5. f ′ = 0 6. f ′ = 4 f

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603