A 140-mH inductor and a 4.80-Ω resistor are connected with a switch to a 6.00-V battery as shown in the figure above.

(a) After the switch is first thrown to a (connecting the battery), what time interval elapses before the current reaches 220 mA?
ms

(b) What is the current in the inductor 10.0 s after the switch is closed?
A

(c) Now the switch is quickly thrown from a to b. What time interval elapses before the current in the inductor falls to 160 mA?
ms

A block sliding with velocity v>0 along a frictionless floor hits a spring at time t=0 (configuration 1). The spring compresses until the block comes to a momentary stop (configuration 2). (Figure 1) Finally, the spring expands, pushing the block back in the direction from which it came. In this problem you will be shown a series of plots related to the motion of the block and spring, and you will be asked to identify what the plots represent. In each plot, the point labeled "1" refers to configuration 1 (when the block first comes in contact with the spring). The point labeled "2" refers to configuration 2 (when the block comes to rest with the spring compressed). In the questions that follow, "force" refers to the xcomponent of the force that the spring exerts on the block and "position" and "velocity" refer to the xcomponents of the position and velocity of the block. For all graphs, treat the origin as (0,0); that is, the x axis represents y=0 and the y axis represents x=0.

Part A Consider graph A. What might this graph represent?   position vs. time   velocity vs. time   force vs. time   force vs. position Part B Consider graph B. What might this graph represent?   position vs. time   velocity vs. time   force vs. time   force vs. position

Part C

Consider graph C.

What might this graph represent?

Explain and (diagrammatically) illustrate the key aspects of “Complete v. Incomplete Contracts” in terms of US healthcare patients/consumers and US health insurance companies.

Use these adaptations of Bowles, Foley and Hollidays section headings to organize your progress:

An Ideal (and Unreal) World of Complete Health Insurance Contracts

A benchmark: The patient-payer case

Risk subject to an enforceable contract

The Real World of Incomplete Health Insurance Contracts

The insurer’s expected profit maximization

Why Wealth Matters: Equity and ??? (describe this)

A monopolistic insurer and a wealthy patient-consumer who ??? (describe this)

Competitive markets, wealth constraints and insurance market exclusion

Competitive insuring market and wealthy ???-investing insure

Wealth and the size and quality of healthcare services

Policy Application: Why subsidizing health insurance to the poor may enhance efficiency

What would be observable evidence of health insurance market exclusion if such a subsidy plan was enacted?

A 325 V sinusoidal voltage generator at 50 Hz supplies a load modelled by a
35  resistance in series with a 95.5 mH inductor. The loss of the transmission line between
the generator and the load is modelled by a series resistance of 5 . Calculate the average,
reactive and apparent power a) consumed by the generator, b) consumed by the load.
Determine the power factor at which the load is operating.

Please outline the method clearly.

Answers should be: 633.75 var of reactive power. 845 W of average power

Swain v. Alabama (1965) a lawsuit that argued that there was discrimination against African-Americans in grand jury selection. This case used a statistical argument based on the data that 181 African-Americans out of a random sample of 1075 were called to appear for possible duty.  Using the information that Census data show that 24% of those eligible for jury service were African-America conduct the hypothesis test to test the claim of discrimination. Use a significance level of 0.025.

1. State the null and alternative hypothesis
2. Compute the test statistic and the p-value.
3. Write your conclusion as if you are the expert witness in this case and explain what this p-value means to a jury.
4. What assumptions do we need in order for the conditions of the hypothesis test procedure to be met
5. Calculate a 95% Confidence interval for the true proportion of African-Americans called for grand jury data based on data
6. Use this 95% confidence interval and explain your conclusion as if you are the expert witness in this case and explain what the 95% confidence interval means to the jury.
7. What assumptions do we need in order for the conditions of the 95% confidence interval to be met?

A pharmacist is asked to formulate the simple syrup containing 55% (w/v) of sucrose. Answer the following questions regarding the compounding of this formulation:

a) Can this formulation be considered self-preserving? explain your answer

b) How much alcohol USP is required to add to this formulation if the prescription calls for 750 mL of the syrup. Show calculations.

Assign an oxidation state to each element or ion:

Part A V Express your answer as a signed integer.

Part B Mg2+ Express your answer as a signed integer.

Part C Cr3+

Assign an oxidation state to each atom in each polyatomic ion.

Part B Express your answer as a signed integer. oxidation state of O:

Part C OH− Express your answer as a signed integer. oxidation state of O:

Part D Express your answer as a signed integer. oxidation state of H:

Part E NO3− Express your answer as a signed integer. oxidation state of N:

Part F Express your answer as a signed integer. oxidation state of O:

Part G NO2− Express your answer as a signed integer. oxidation state of N:

Part H Express your answer as a signed integer. oxidation state of O:

Part A Use oxidation states to identify the oxidizing agent and the reducing agent in the following redox reaction.

2Na(s)+2H2O(l)→2NaOH(aq)+H2(g)

Express your answer as a chemical formula. reducing agent: S

Part B Express your answer as a chemical formula. oxidizing agent:

1. An EM wave has a maximum electric field of 250 V / m. Determine the average intensity of the wave.

a. 120 W/m^2

b. 0.66 W/m^2

c. 170 W/m^2

d. 83 W/m^2

e. 0.89 W/m^2

2. The various colors of visible light differ in:

a. frequency and wavelength

b. frequency and its speed in a vacuum

c. only in wavelength

d. only in frequency

e. its speed in a vacuum

3. Determine which of the following types of waves is intrinsically different from the other four.

a. visible light

b. sound waves

c. gamma rays

d. ultraviolet radiation

e. radio waves

1. Consider a free, unbound particle with V (x) = 0 and the initial state wave function: Ψ(x, 0) = Ae−a|x| a>0

(a) (3 pts) Normalize the initial state wave function.

(b) (5 pts) Construct Ψ(x, t).

(c) (5 pts) Discuss the limiting cases, i.e. what happens to position and momentum when a is very small and when a is very large?

A single product (A) moves in sequence through 3 operations: V, W, and X. The processing time at each operation (in minutes per unit) is 10, 20 and 10 respectively. If the process batch size and the transfer batch size are both 100, what is the total amount of time required to process the batch? If the transfer batch size is reduced to 50, now how much total time will be required to complete the batch (do not worry about inventory levels)?