The answer is A
Explanation: the conservation of matter means that the mass stays the same
Well, half-life is the radioactivity of an identified isotope that decreases by half of the actual value.
So, your answer would be C.
Answer:
You could conclude the 2nd fact
Explanation:
Answer:
it is an upside-down image but the brain realizes it and corrects it in its orientation so we see it in right direction.
Answer:
Lilly's speed is two times John's speed.
Explanation:
m = Mass
a = Acceleration
t = Time taken
u = Initial velocity
v = Final velocity
The force they apply on each other will be equal




Hence, Lilly's speed is two times John's speed.