Answer:
D. Perfectly inelastic
Explanation:
Kinetic energy is lost so the two bodies stick together.
Answer: because the ice was cold, and it melted in the tea. So the tea is now cooler.
Explanation:
Answer:
1 solar masses
Explanation:
-Sirius has to maintain equilibrium with it's companion.
-Let x be the mass of Sirius and y be the mass of it's companion.
-From the question, we know that Sirius is 2.35 times heavier than it's companion:

Hence, the mass of it's companion is 1 solar masses
The answer is D=M/V hope it helps!!
I'm not that smart but I think it is c I really hope It helps