If u is about 0.2 (no unit) then the whole left side is zero.
Answer:
Newton's F=ma, which means the force (F) acting on an object is equal to the mass (m) of an object times its acceleration (a)
Answer:
The total charge Q of the sphere is
.
Explanation:
Given that,
Radius = 5 cm
Charge density 
We need to calculate the total charge Q of the sphere
Using formula of charge

Where,
= charge density
V = volume
Put the value into the formula

Put the value into the formula


Hence, The total charge Q of the sphere is
.
Answer:
Person above me is right, it's B: microwaves, visible light, X-rays, gamma rays
Explanation:
The last one, handmade gifts require more of the givers time!