Suppose oil spills from a ruptured tanker and spreads in a circular pattern. if the radius of the oil spill increases at a constant rate of 1 m/s, how fast is the area of the spill increasing when the radius is 34 m?

The solution would be like this for this specific problem:

Given:

Oil spill radius constant rate increase = 1 m/s

r = 34m

Let the area of the spill be A and then let its radius be r. 
Then A = π r². 

Differentiating with respect to t: 
dA / dt = 2π r dr / dt. 

Substituting r = 34 and dr / dt = 1: 

dA/dt = 2 π * r * dr / dt

dA/dt = 2π * 34 * 1 = 68π = 214 m²/s, to 3 significant figures. 

So, given that the radius is 34m, then the area of the spill is increasing at 214 m²/s.

c.is a substance that requires a small amount of energy per gram to raise its temperature; has strong cohesive forces between molecules.

explanation:

a colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.