Only 2.5 X 10-3 A of current pass through a portable CD player. If the CD player is operated by a 9V battery, what is the resistance in the circuit?

Solve using the GUESA method

Answertraveling around a circular trackexplanation"traveling around a circular track" is the best answer as you could be traveling around a circular track at a constant speed. your velocity would therefore have the same magnitude but will always be constantly direction. since acceleration is the rate of change of velocity, the rate of change will only involve the direction of velocity and not the magnitude.wrong choices: "an object at rest" does not accelerate at all"increasing speed while traveling around a curve" means that the acceleration will not be constant due to only change in direction; it will be constant due to both magnitude and direction"an object in free fall" does not necessarily change direction 

Work is reduced while time is decreased

There was no intial y-momentum so the net final y-momentum must also be 0. they can have final velocities in the y-direction

Answerhave high resistance to flow