Calculation Archives - Page 2 of 2

nalyze whether you think this was a good test in terms of these results. Identify questions or comments this raises for assessments used in your classroom (this also includes assessments required by the state that are administered in your classroom)

Posted on June 11, 2020 by Adam

Solve the following problem on your own: calculate the item difficulty and item discrimination. Your class takes a writing test where the scores are distributed on a scale of 1 to 5. 1 = lowest, 5 = highest. Here are the students and their Item Analysis for Constructed-Response Items to calculate: (Top Group is top […]

A mirror is used to produce an inverted image the same size as the object. If that image is 25.0cm from the mirror, what is the mirror’s radius of curvature?

Posted on May 30, 2020 by Adam

Where would you have to place a 41.5cm tall object to form: a. A virtual image 67.43cm from a concave mirror with a focal length of 16.00cm? b. A real image that is 12.8cm tall and 82.4cm from its mirror? A mirror produces an upright image that is three times as far away from the […]

Reflect on how mathematical laws, such as the laws of logarithms, govern the problem-solving process. Why should we know the laws of logarithms?

Posted on May 30, 2020May 30, 2020 by Adam

Students explain the different log laws and demonstrate their meaning by designing an interactive simulation. Use several sources to investigate the history of logarithmic equations and laws of logarithms. Make note of the dates, events, and relevance to the time period. Display the key events in a format of your choice. Select a video or […]

A wave travels 0.75 times as fast in shallow water as it does in deep water. What will the wavelength of the wave in deep water be, if its wavelength is 2.7 cm in shallow water?

Posted on May 28, 2020 by Adam

Periodic waves in deep water have a wavelength of 2.7 mm. The waves then hit a boundary at an angle of 35° and the waves then have a wavelength of 2.2 mm in the shallow water. With what angle does the water propagate into the shallow water? Use the circle below to draw the waves […]

If the screen is then removed to a point 15m from the lens, by how much will the separation between the film and the lens have to change from part a?

Posted on May 28, 2020 by Adam

An object 8.0cm high is placed 80.cm in front of a converging lens of focal point 25cm. Determine the image position and height. A lamp 10.cm high is placed 60.cm in front of a diverging lens of focal length 20.cm. Calculate the image position and height. A typical single lens camera has a converging lens […]

Explain the differences between a defined benefit pension scheme and a defined contribution pension scheme and evaluate their respective advantages and disadvantages for employers and employees.

Posted on May 20, 2020 by Adam

Question 1 Evaluate the budget and make financial recommendations to the couple based on this evaluation. Question 2 Explain the differences between a defined benefit pension scheme and a defined contribution pension scheme and evaluate their respective advantages and disadvantages for employers and employees. A person earning £50,000 a year and retiring after 40 years […]

Calculate the time constant of each circuit and use the graph to determine two points separated by RC value and look at the difference in voltages that correspond to RC on the graph.

Posted on April 30, 2020 by Adam

RC Circuits https://phet.colorado.edu/en/simulation/legacy/circuit-construction-kit-ac-virtual-lab Press the down arrow on the picture Then open the file Connect the circuit shown on the white board or the attached picture Notice that there are two switches S1 is in series with the 18 volt battery S2 is in series with a 100 ohm resistor ( which you can set). […]

What is the phenomenon of multicollinerarity and how it can be treated for regression analysis? Describe three approaches to sampling and identify the strengths and weaknesses of each.

Posted on April 26, 2020 by Adam

Question 1: THEORY What is the phenomenon of multicollinerarity and how it can be treated for regression analysis? (about 200 words) Question 2: THEORY There are numerous ways in which sampling can be conducted for research. Describe three approaches to sampling and identify the strengths and weaknesses of each. (about 200 words) Question 3: When […]

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Tag: Calculation

nalyze whether you think this was a good test in terms of these results. Identify questions or comments this raises for assessments used in your classroom (this also includes assessments required by the state that are administered in your classroom)

A mirror is used to produce an inverted image the same size as the object. If that image is 25.0cm from the mirror, what is the mirror’s radius of curvature?

Reflect on how mathematical laws, such as the laws of logarithms, govern the problem-solving process. Why should we know the laws of logarithms?

A wave travels 0.75 times as fast in shallow water as it does in deep water. What will the wavelength of the wave in deep water be, if its wavelength is 2.7 cm in shallow water?

If the screen is then removed to a point 15m from the lens, by how much will the separation between the film and the lens have to change from part a?

Explain the differences between a defined benefit pension scheme and a defined contribution pension scheme and evaluate their respective advantages and disadvantages for employers and employees.

Calculate the time constant of each circuit and use the graph to determine two points separated by RC value and look at the difference in voltages that correspond to RC on the graph.

What is the phenomenon of multicollinerarity and how it can be treated for regression analysis? Describe three approaches to sampling and identify the strengths and weaknesses of each.