maddiemp9518 maddiemp9518
  • 03-03-2020
  • Physics
contestada

A rock is dropped in a pond, causing circular ripples. The radius increased with a rate 1 foot per second. When the radius is 4 feet, the area is increasing by 8π square feet per second.1. True2. False

Respuesta :

Olajidey
Olajidey Olajidey
  • 04-03-2020

Answer:

true

Explanation:

A = πr²

Differentiating in respect to r

we get

dA/dr = 2πr

since r = 4feet

so ,

2π(4) = 8π

Answer Link

Otras preguntas

How did Democritus help our understanding of the atom?
In which state does the Mississippi River begin
What is the name of this structure?
Replace the M with numbers that will make this equation true: mx10-mx2=8
If you add 600and 500and 200.how much wood it be?show your work.
A student needs 15.0 g of ethyl alcohol for an experiment. If the density of the alcohol is0.789 g/mL, how many milliliters of alcohol are needed?
A company manufacturing shirts for a department store decides to create a new style of cotton shirt. The company would most likely produce shirts that will
What was the primary reason Maryland was founded?
exploration of the new world was encouraged by: a desire for direct trade routes by sea the rise of powerful kings who brought organization, strength, and stabi
What role did the Council of Trent have in the Counter-Reformation