Determine stretch of cord when system is in equilibrium
The two disks each have a mass of 25kg and are attached at their centers by an elastic cord that has a stiffness of k = 1.6kN/m . Determine the stretch of the cord when the system is in equilibrium.
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Arrange the following compunds in order of increasing reactivity toward attack of a Gringard reagent at the carbonyl carbon atom: methyl benzoate, benzoic acid, benzaldehyde, and benzophenone.
An aluminum sample having diameter of 0.505 inches and length of 2 inches is tested in tension. a) What is the yield strength b) What is the tensile strength c) What is the elastic strain at the yield point d) What is the % elongation
Why is it unwise to begin addition of the sollution of methyl benzoate to the Grignard reagent before the latter hascooled to room temperature and then placed in an ice-waterbath?
If the box is being lifted at a constant speed of 2.0 m/s, what is the power delivered by the person pulling on the rope?
Levine Inc. is considering an investment that has an expected return of 15% and a standard deviation of 10%. What is the investment's coefficient of variation?
Why is it necessary to acidify the mixture obtained after the reaction of methyl benzoate with phenylmagnesium bromide?
Desreumaux Inc's stock has an expected return of 12.25%, a beta of 1.25, and is in equilibrium. If the risk-free rate is 5.00%, what is the market risk premium?
Given that the charge on the electron is 1.6 x 10^-19, about how many excess electrons must be on the drop to allow it to be suspended?
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