Describe the nucleus of a typical comet and compare it with an asteroid of similar size.

Asteroid of the similar sizes are more denser than the comet

Explanation:

The diameter of the nucleus of a typical comet is few kilometers which is comparatively smaller. Also, the nucleus of a comet is formed of ice , and volatile organic compounds or dust. They are relatively less dense.

While the asteroid of the similar size are denser than the comet as they are composed of the stony and/or metallic materials making it denser.

you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation: