Answer:
27 Joules.
Explanation:
use the formula for kinetic energy:
KE = 1/2mv^2
You could put ice, put it on wheels!
A) Dinosaur fossils because they were proven that there was life before us. we also found out that our old skulls had dinosaur teeth in the heads. that showed us that we were on the food chain. but now we aren't because we now have protected cities.
Answer:
the Corona is about 10 million times less dense than sun's surface.this low density makesuch less bright than surface of the sun