1. Explain the importance of having a standard in measurement. 2. What's the advantage(s) of writing quantities in scientific notation?

Q: 5. Soccer fields vary in size. A large soccer field is 115 m long and 85.0 m wide. What is its area…

A: Given that, The length of the soccer field, l = 115 m The width of the soccer field, b = 85 m We…

Q: give a unique example of a scientific statement and explain WHY your statement is scientific.

A: A scientific statement is basically a belief that can be proved wrong and it may or may not contain…

Q: How many correct experiments do we need to disprove a theory? How many do we need to prove a theory?…

A: One case where the "theory" fails to hold is enough to prove the theory is not true.E.g. I say "All…

Q: A sphere has the dimensions shown and a mass of 7120.61 g. Calculate the density. Give the exact…

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Q: '9.8m gsin0-ax HK )sin24°-(1.05) cos24° %3D 0.33 %3D 9.8m gcos0

A: The expression for μk  is μk=gsinθ-axgcosθμk=tanθ-axgcosθ  The uncertainty of any function is given…

Q: 1. A cylinder has a radius of 4.6 ± 0.4 cm and a height of 5.36± 0.3 cm. (a) Find the volume of this…

A: a) The volume of the cylinder is,

Q: 2) The numbers below represent a measurement taken. Based on the significant figures provided, what…

A: 2230 has four significant digits so it can represent the number upto  four significant digits  the…

Q: Define the following term: SI units

A: The SI unit is also called an international system of units and they are used universally as a…

Q: Why is it important for scientists to be precise and accurate when measuring?

A: A precise measurement or an accurate observation is very important to scientists because the…

Q: 14. Complete these division problems. Write the quotient as a least precise measurement. a. 80.23 m…

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Q: 2. The length and width of a room were found to be 12.50 ± 0.01 m and 9.63 ± 0.0.1 m. Find the…

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Q: 2 What is the uncertainty of the (a) ruler in inches and (b) meter stick in meter? 3. Provide the…

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Q: What are the advantages and disadvantages of using the metric system of measurements?

A: The  advantage of metric system is that it easy to covert between different scales.

Q: What is the art of making accurate and precise estimates of things in real world?

A: Every object has dimensions like length, breadth, height, radius. Also properties like mass,…

Q: Explain which ruler you would use to make the more precise measurement. Explain which is more…

A: Both accuracy and precision indicate the correctness or closeness of a measured value to an actual…

Q: Differentiate between fundamental and derived quantities and unit with 12examples

A: Introduction:The fundamental quantity is that type of physical quantity which doesn't depend upon…

Q: 9.5 × 1014 μus x -)x(- -) x(- -) x(- уears

A: It is a question about conversion of units

Q: Name two length units that are longer than a metre. What is their relationship to the metre?

A: Name two length units that are longer than a metre. What is their relationship to the metre?

Q: 13. refers to the degree to which a measure or scale truly reflects the phenomenon under study.

A: A scientific result need to be both reliable and valid. Reliability of a measure or scale refers to…

Q: Lance wants to measure the height of his two-story house. What unit is most appropriate for this…

A: Given, Lance measure height of his two story house .

Q: not understanding the calculation

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Q: Length Measurement 1. An International System of Measurement has been established using the metric…

A: Benefits of using metric system:- 1. Unlike some non-metric measurements,  metric measurements are…

Q: 1. Is there a difference in the accuracy of measurements of the reading if the units used vary? Why?…

A: The following problem deals in units and measurements with 'error analysis' being the subtopic.

Q: 7.Which of the following expresses 5.2 x 10-5s correctly using the metric prefixes given? Table 1.4…

A: Given data:  Time (t) = 5.2 × 10-5 s

Q: Convert the following into standard notation: 4.2 x 10

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Q: How do you decide on a unit of measurement for a physical quantity

A: Unit of a physical quantity is defined as the established standard used for comparison of the given…

Q: First

A: Given: Image of screw gauge and Vernier Calipers.

Q: The Sun, on average, is 93 Million Miles from Earth. How Many Meters is this? Express using: a)…

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Q: 1.2 Compare the different unit systems and indicate why the SI system is used widely.

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Q: The sides of a small rectangular box are measured to be 1.80 ± 0.1 cm, 2.05 ± 0.02 cm, and 3.1 ± 0.1…

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Q: Why is measurement important? When do you use measurement in your everyday life?

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Q: 1. Explain the importance of having a standard in measurement. 2. What are the advantages of writing…

A: Importance of standard in measurement   1.It's helps us from making mistakes at the time of doing…

Q: Can a set of measurements be precise but not accurate? Explain

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Q: Give four important characteristics of a standard unit

A: Standard units are the units which are used to measure length, mass of an object. These are also…

Q: 1. Why are measurements important?

A: To understand why measurements are important let me take you through an example. Suppose you have to…

Q: 5. Convert 124,000,000,000 miles to scientific notation.

A: to convert : 124,000,000,000 miles to scientific notation

Q: Why is the metric system of units considered superior to most other systems of units?

A: Metric system is the internationally accepted standard units. Most of the countries uses metric…

Q: The sides of a small rectangular box are measured to be 1.80 ± 0.01 cm , 2.05 ± 0.02 cm, and 3.1 ±…

A: Expression for the volume of a rectangular box is V=lbh Substitute V=1.80 cm2.05 cm3.1 cm=11.439…

Q: Question 13 A wood board was measured to have a length of 125.46 cm with an uncertainty of 0.0003 m.…

A: Given  L = 125.46 cm  Uncertainty = ∆L = 0.0003 m  L = 125.46 = 1.2546 m

Q: Solve the math problem. Make sure your answer has the correct number of significant figures. 3.2145…

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Q: 14. Which of the following measures of length has the highest value? * 457 cm 178 in 19 ft O 4.5 m

A: The unit of length can be converted from centimeter to meter by dividing the value with 100 . Thus…

Q: What are the application of physics in the field of medicine? 2. What are the theories in physics…

A: Some of the application of physics in the medical are:  X rays  radiation treatment, laser surgery…