Lab 1 - Measurement - Volume of the Library

The question is at the picture. Answer should be round off to 2 decimal points with units.

A student measures the diameter of a cylindrical copper rod using a Vernier caliper. Which of the following techniques would increase the precision of the measurement? A. Measure the diameter along different parts of the cylinder using a ruler and then take the average value of the readings. B. Measure the diameter along different parts of the cylinder using a Vernier caliper and then take the average value of the readings. C. Measure the diameter using a Vernier caliper without zero error. D. Measure the diameter using a micrometer caliper.

Question 14 Plotted measurements of the length of an object are shown below. Utilize the graph to get the average length, measurement error, and maximum and minimum values. GRAPH A Plot of Length Readings 2.05 6.7 6.9 6.85 6.8 6.75 6.55 Number of Trials Length of an Object

Short questions 5. The volume of a sphere is given by V =- A sphere has a radius of 0.2 cm and a mass of 345 ug (micrograms). What is the density of the sphere in SI units? Show the steps for all of the unit conversions.

Which one is correct ?

Part (d) Express A in terms of w, D, and L. A = Part (e) A = Solve for the numerical value of X, in nanometers.

I need help with a University Physics 1 (Unit Measurement and Conversion) - The problem is described in the image below:

What is error in measurement? Broadly explain different types of error in measurement.

1.2 Measurements – Length, Area, Volume. Mass. Time, Density and Temperature A teacher asks a pupil to measure the width of the science laboratory table. Which one of the following instruments should he choose? 1. А. a measuring tape a pair of dividers a pair of external calipers a 30-centimeter rule В. D. Two marbles of equal diameters were arranged on a meter rule as shown in the figure. The diameter of one marble is 2. A. B. 0.6 cm 1.2 cm 2.7 cm 3.3 cm set squares C. D. marble marble metre rule 2 cm 3 cm 4 cm 3. A student carries out an experiment to determine the mass of paraffin oil in a beaker. The readings obtained from the experiment are as follows: Mass of empty beaker = 45.3 g Mass of beaker + paraffin oil = 115.3 g What the mass of the paraffin oil? A. В. 45.3 g 115.3 g 70.0 g 160.6 g C. D. 4. The normal body temperature of a person is A. В. 98.4 °C 36.6 °C С. D. 37.0 °C 26.9 °C 5. Aminah wants to measure 75 cm' of water. Which of the following will she Use? А. Beaker Gas…

To generate theories based on participant perspectives is something to do with qualitative research problems;not quantitative!   a. TRUE   b. FALSE

Practice Task 1. Consider the following satements below. Express each number in standard notation or in scientific notation as indicated. Express your solution. 1. The length of an electronic component is 0.0001265 mm. Write this in scientific notation. 2. The diameter of human immunodeficiency virus (HIV) os 0.00012 mm. What is the diameter if HIV in scientific notation? 3. Rocks around Mayon Volcano aged more than 20 000 000 years old. Express this number in scientific notation.4. The friction between the ocean and the ocean floor due to tides is causing the Earth's rotation to slow down by about 2 x 10-8 seconds per day. What real number is equivalent to 2 x 10-8?5. The radius of a hydrogen atom is 2.5 x 10-11, Express this number in standard notation.

What are the calibrations does the device has? A. English and British calibration  B. English and metric calibration  C. Metric and SI calibration  D. None of the above

4 students measure the length of a nail and they obtained the following values: 2.34 cm, 2.33 cm, 2.32 cm and 2.35 cm. What can we say about these values? a. The values are accurate but we can not say anything about the precision O b. The values are precise and accurate None of them O d. The value are precise but not accurate O e. Arandonerror is present

I got 1.9mm for the diameter of the penny but I am having trouble understanding what zero offset is and also estimating uncertainty.

please help ans explain how to so the rest of the problems if you only do 1 :) 2. Record the following volumes in mL. Make sure to include the unit and correct number of significant digits. A. mL 10 B. C. -30 -20 D. Ċ mL -50 - mL E. 10 9 F. mL 50 40

3 Problem 2: The wall lengths of a backyard shed are measured and found to be 10.0 ft, 5.0 ft, 5.0 ft, and 8.0 ft. Each measurement has an uncertainty of 0.5 ft. Find Pm: a b On a separate piece of paper, write the equation for perimeter: P = 1 + 2 + W₁ + W2. Find the value of P, AP, and Pm. Show your work. Note: Refer to Figure 10 to determine the appropriate equation for calculating AP. Write your name and date on the paper. Take a clear photograph of your work and upload the image into Photo 2. C Record the value of Pm in Data Table 1.

Using dimensional analysis, check which of the following equations is or are correct. 1. a=v/t 2. density = mass/volume 3. speed = d/t^2 4. a=∆v/∆t

Calculated volume of the wooden cylinder ____cubic cm What is another way to measure the volume of this cylinder of wood? If you can’t come up with one, think about how you might measure the volume of an irregular shape

5 please need help, keep in mind the 7 basic units and watch the sig figs. Please write in standard form need to see all the numbers in solution thank you so much

trials and summarized their results in the given table. Suppose the accepted volume of the glass of water is 4.20 ml, describe the measurements made by the students in terms Four students measured the same volume of a glass of water. They all made thee of accuracy and precision. Volume of Water in the Glass (mL) Trial Albert Julia Berta Julie 6.90 7.60 4.32 4.24 2 5.01 7.62 4.30 4.26 3. 8,80 7.65 4.29 4.25