I believe the answer is "radioactive decay".
Answer:
Mc = 900 Kg
Uc = 28 ms^-1
Md = 70 Kg
Ud = 0
We want Vd
Vc = Vd
This situation is elastic momentum

Answer:
Isaac Newton is best known for having invented the calculus
Explanation:
Answer:
Correct option is D.
Explanation:
The size may change due to the distance from the mirror
I am 100% Sure about this answer