A car is to be hoisted by elevator to the fourth floor of a parking garage, which is 46.33 ft above the ground. If the elevator can accelerate at 0.252 ft/s² , decelerate at 0.493 ft/s2 and reach a maximum speed of 9 ft/s ,determine the, shortest time to make the lift, starting from rest and ending at rest.

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A: Step 1:

Q: Please find the centroid x and y bar, and Ixx for the following shapes. Show all work with neat…

A: Approach to solving the question: Detailed explanation:Examples: Key references:

Q: Please calculate the centroid x and y bar, and Ixx for the following shapes. Show all work with neat…

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Q: Please find the centroid x and y bar, and Ixx for the following shapes. Show all work with neat…

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Q: but I nee

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Q: Please find the centroid x and y bar, and Ixx for the following shapes. Show all work with neat…

A: Approach to solving the question:Breaking the composite shape in simple shapes and using Centroid…

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Q: Part A What is the ratio scale for the equivalent scale of 1 in. = 80 ft? Express your answer using…

A: 1 ft =12 inch given 80 ft =12*80=960in Ratio scale=112×80=1:960

Q: Please calculate the centroid x and y bar, and Ixx for the following shapes. Show all work with neat…

A:

Q: Please find the centroid x and y bar, and Ixx for the following shapes. Show all work with neat…

A: Approach to solving the question: Detailed explanation:Examples: Key references:

Q: Define Relative Density.

A: Relative density or specific gravity:

Q: Please calculate the centroid x and y bar, and Ixx for the following shapes. Show all work with neat…

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Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.