solve the following question plz Find the volume by disk method revolving about

Question

solve the following question plz

Find the volume by disk method revolving about y axis y =2x y = 0 y = 6 Find the average value of the function Use Laplace transforms to solve the following differential equation. A spring of natural length of 12 cm requires a force of 6.0 N to stretch it 3.0 cm. Find the work done in stretching it 8 cm. Find the work done in stretching it 6 cm. One end of a spa is a vertical rectangular wall 4.0 m wide. What is the force on the wall by the water if it is 1 m deep?

Explanation / Answer

8) Ly(s) -y(0) - 3y(s) = 0

y(s) = 1/(L+3)

gives y(t) = e^(3x)

b)F = kx

6 = k3

k = 2

WD = 1/2k(x1^2 - x2^2)

= (144-64)

= 80J

WD = (144-36)

= 108J

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