A rollercoaster car is moving 19.8 m/s on
flat ground when it hits the brakes. It
decelerates at -3.77 m/s2 over the next
45.8 m. How much time does it take?
Ae
A
(Unit = 5)
Watch your minus signs!

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral