Hmm.. I don't know. *grips you tightly*
1.
63-48
= 15 ml
Since the water rises 15 ml in the graduated cylinder, its volume is 15 ml^3
2. 43 -36
=7ml^3
Conductivity is required for the electric current to flow.
Answer:
Velocity will be
Explanation:
We have given mass of alpha particle m = 4 u
Charge on alpha particle
Charge on thorium particle
Diameter is given as d = 15 fm
So radius
Potential energy is given by
From energy conservation