A Brake Pad Is Used to Give a Normal Force

question 37

Multiple Choice

A brake pad is used to give a normal force of 150 N to the outer surface of a 0.25 kg spinning disk, in order to slow it down from 250 rpm to rest. The disk's radius is 0.25 m. If the coefficient of friction between the pad and the disk is 0.45, how much time is required for the disk to slow from 250 rpm to rest?

• A) 0.19 ms
• B) 0.55 ms
• C) 2.4 ms
• D) 12 ms

Comprehend the principles of employee benefits, including vacation, health insurance, and retirement contributions.

Understand the concepts of liabilities, including current, contingent, and unearned revenues.

Learn about the various types of allowances and their effects on taxes.

Gain insights into methods of calculating tax withholdings and understanding tax tables.

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Definitions:

Swap Contract

A financial agreement between two parties to exchange sequences of cash flows for a set period of time according to a specified formula.

Forestry Products

Goods derived from forests, including lumber, paper, and other materials made from trees.

Home Currency

The currency in which a company primarily operates or the currency of the country where the company is headquartered.

Forward Contract

A financial contract between two parties to buy or sell an asset at a specified future time at a price agreed upon at the contract's inception.