The problem and instructions need to be stated, more points taken off if problem and instructions are not stated next time Also, please leave space between problems for my comments. MUST BE TYPED...

ASSIGNMENT NUMBER: 89905
Section 6.3.1
Problem 121
To find the volume of the given solid that lie between the given curve and the x axis and rotated along y axis.
Solution:
The volume can be calculated as:
Problem 122:
To find the volume of the given solid that lie between the given curve and the x axis and rotated along y axis.
Solution:
The volume can be calculated as:
Problem 127
To find the volume of the given solid that lie between the given curve and the x axis and rotated along y axis.
Solution:
The volume can be calculated as:
Problem 131
To find the volume of the given solid that lie between the given curve and the x axis and rotated along x axis.
Solution:
Given
The volume can be calculated as:
Problem 136
To find the volume of the given solid that lie between the given curve and the x axis and rotated along x axis.
Solution:
Given
The volume can be calculated as:
Section 6.3.2
Find the mass of the two dimensional object centered at the origin
Problem 230
Frisbee of radius 6 in with density function
Solution:
The mass of the body can be calculated as:
Problem 230
Plate of radius 10 in with density function
Solution:
The mass of the body can be calculated as:
Problem 232
Jar of lid of radius 10 in with density function
Solution:
The mass of the body can be calculated as:
Problem 248:
Find the work required to pump the water out of a cylinder that has a base of 5 ft radius and height 200 ft
Solution:
Consider a small strip of width dy from a height of y ft from the base of the cylinder.
The volume of this small slice is:
The force to remove the water...