10 Answered Questions for the topic Calc 2

07/25/21

Find a parameterization for a circle

Find a parameterization for the circle (x-10)^(2) + y^(2)= 25 starting at the point (5,0) and moving clockwise once around the​ circle, using the central angle θ in the figure to the right as the... more

04/11/21

11.5.35 Find the absolute minimum value on​ [0, ∞​) for f(x)=x^2−6x+8. Select the correct choice below​ and, if​ necessary, fill in the answer boxes to complete your choice.

Find the absolute minimum value on​ [0, ∞​) for f(x)=x^2−6x+8.Select the correct choice below​ and, if​ necessary, fill in the answer boxes to complete your choice.A.The absolute minimum is... more
Calc 2

06/17/18

What is the integral of (arctan(3x))/(9-x^2)^(1/2)

What is the integral? what is the anti derivative? 

02/24/17

Calculus 2: Work Done by Pumping a Water Tank

A water tank in the shape of a hemispherical bowl of radius 4 m is filled with water to a depth of 2 m. How much work is required to pump all the water over the top of the tank? (The density of the... more
Calc 2

02/23/17

a circular plate of radius 5 meters is submerged in a 100 meter lake. calculate the hydrostatic pressure on the plate if the plate is lying horizontally. . .

a circular plate of radius 5 meters is submerged in a 100 meter lake. calculate the hydrostatic pressure on the plate if the plate is lying horizontally and vertically.  
Calc 2

11/02/16

use Maclaurin series for sin(x) to compute sin 3 degrees

how do I know which n to use, I see a lot of people going up to sin^7/7! but why 7?
Calc 2

10/15/16

I need help with this problem. Thanks. Solve the differential equation. 1+xy=xy'

How do you do this ,and what is the answer?
Calc 2

09/30/16

y= -x^2+6x-8 , y=0; about the x- axis What is the volume?

I got an answer. I want to make sure it's correct.
Calc 2

09/17/16

What is the integral of x^2/(x^4-6x^2-27) dx

I got an answer but I want to make sure it is correct. Thank you for who can help me.
Calc 2

01/30/14

Integration by parts of Erf(x)

I need to integrate from 0-t. I am told to set u= Erf and u'= (2e^-x^2)/pi^1/2.  v' is 1 and v=x. i am also told that the answer is t Erf(t)+ ((e^-t^2)-1)/pi^1/2   how many times do I need to... more

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