Author: Anonymous

By age 2, the average child in the United States weighs around __________ pounds and is close to __________ tall.

The intensive properties for several liquids are given in the following table. Name Density (g/mL) Boiling point (oC) acetone 0.79 56.2 benzene 0.88 80.1 isopropanol 0.79 82.3 ethyl acetate 0.89 77.1 hexane 0.66 69.0   The following data was recorded for an unknown liquid. density (g/mL) 0.890 boiling point (°C) 80.5  

You measure the mass of three volumes of an unknown liquid. The results from the experiment are shown in the following table. Calculate the average density of the unknown liquid. First addition Second addition Third addition Volume of unknown liquid (mL) 10.0 20.0 30.0 Total mass of unknown liquid (g) [M1] [M2] [M3]   Enter a number only with three digits past the decimal in units of g/mL.

You are the owner of a small company that helps local restaurants market themselves through a smartphone app. You’re considering expanding the app to serve a national audience, but you want to analyze the industry before seeking investors. You decide to use Porter’s Five Forces Framework. Which of the following is NOT one of the forces in this framework?

Within the Ansoff Strategic Opportunity Matrix, a [strategy1] Strategy generally represents the lowest risk (since the organization has experience with the current market segments and current offerings), but often the lowest potential reward for the organization, in terms of revenue streams (unless there is a large untapped market not being served by competitors). Meanwhile, a [strategy2] Strategy generally represents the highest risk (since the company has no experience with either the new market or new offering), but often the highest potential reward for the organization, in terms of creating new future revenue streams.

St. Louis Braid Company is a company “dedicated to the design, manufacture, and commercialization of braided and twisted threads, laces, shoelaces, strings, elastic, and technical threads.” St. Louis Braid sells to footwear manufacturers such as Nike and Merrell. Thus, as customers buy more shoes from those brands, sales of St. Louis Braid’s laces also increase. We refer to this connected activity as:

A small collar is attached to a spring and slides without friction along a circular rod in a vertical plane. The spring has an undeformed length of  and a spring constant of .  What is the potential energy stored in the spring when the collar is at point B?  Hint: convert inches to feet for consistent units! 

A ball is dropped from a boat so that its velocity when it strikes the surface of the water is . While in the water, the ball experiences an acceleration of

A person rides a bicycle on a track consists of two circular sections ABC and CDE joined smoothly as shown in the figure below. Both paths have a radius of

A rigid bar is supported on a fixed semicircular surface of radius and the ground as shown in the figure. If end A of the bar is moving with a speed of along the ground, what is the magnitude of the angular velocity of the bar,