Can you tell me what the expressions, values and all that are
I ca't help with out the details.
- Given,
Hope you could get an idea from here.
Doubt clarification - use comment section.
Answer:
havent got tought this yet sorry wish i can help
Answer:
37.7 mi²/h
Step-by-step explanation:
The area formula is ...
A = πr²
Differentiating with respect to time gives ...
dA/dt = 2πr·dr/dt
Filling in the given values, we have ...
dA/dt = 2π(3 mi)(2 mi/h) = 12π mi²/h
The area is increasing at the rate of about 37.7 mi² per hour.
