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Centroid of a plane region

Given: y = 9 - x^2, y = 2 a)sketch the plane region bounded by the functions graph b)Find the coordinates of the centroid of the above plane region.

Subject:

Math

Topic:

Calculus

Posting ID:

4883

OTA ID:

103095

View Details $1.99 Download Add to Cart

Fluid Force on an Isoceles Trapezoid

A vertical gate in a dam has the shape of an isoceles trapezoid. The top of the gate measures 10 feet across, the gate is 11 feet below the surface of the water, the gate is 7 feet high, the bottom of the gate is 8 feet across. Find the fluid force on the gate.

Subject:

Math

Topic:

Calculus

Posting ID:

4884

OTA ID:

103139

View Details $1.99 Download Add to Cart

Coordinates of a centroid of a plane region

NOTE: I need to see how to find the centroid coordinates by using integrals and moments. I have attached a word document w/ the formulas we are supposed to use to find the centroid. Now here is the problem: Given: y = 9 - x^2, y = 2 Find the coordinates of the centroid of the above plane region.

Subject:

Math

Topic:

Calculus

Posting ID:

4905

OTA ID:

102922

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Fluid force - Applications of Integration

NOTE: We are supposed to find the fluid force using integrals. I have attached a word document with the fluid force formula we are supposed to use. Please use the US system of measurement (i.e. pounds) Now here is the problem: A vertcial gate in a dam has the shape of an isoceles trapezoid. The top of the gate measures 10 feet across, the gate is 11 feet below the surface of the water, the gate is 7 feet high, the bottom of the gate is 8 feet across. Find the fluid force on the gate. the weight density (w) of the water in pounds per cubic foot is 62.4 Thanks.

Subject:

Math

Topic:

Calculus

Posting ID:

4906

OTA ID:

101822

View Details $1.99 Download Add to Cart

spring compression using hooke's law

NOTE: we are supposed to find the work using integrals and Hooke's Law. I have attached the formula and Hooke's Law in a word document. The problem: A 1,000 lb force compresses a spring 5 inches from its natural length of 20 inches. Find the work done by compressing the spring an additional 2 inches. The answer I got is 2400 inch pounds. Thanks.

Subject:

Math

Topic:

Calculus

Posting ID:

4907

OTA ID:

103060

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