Q. An electric motor rotating a workshop grinding wheel at a rate of 93 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.00 rad/s2.
Q. A fish in a flat-sided aquarium sees a can of fish food on the counter. To the fish's eye, the can looks to be 21 outside the aquarium.
What is the actual distance between the can and the aquarium? (You can ignore the thin glass wall of the aquarium.)