PLS HELP ME
TODAY IS MY DEADLINE!!!

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

It is really hard for me right know