How do you decide on a unit of measurement for a physical quantity?
Q: The following times are given in seconds. Use metric prefixes to rewrite them so the numerical value…
A: Useful information that will be used, is equivalent to is equivalent to
Q: By what factor would a numerical quantity change if measured in millimeters rather than kilometers?
A: According to question we need to find--- By what factor would a numerical quantity change if…
Q: Consider the relative sizes of the items listed in the table. In the column titled "measurement,"…
A: Given : A list of items. Asked to complete the table.
Q: The following lengths are given in meters. Use metric prefixes to rewrite them so the numerical…
A: Given that : a. 1.8 x10^6m b. 0.068 m c.5.7x10^-10m d.3.8 x10^4m
Q: Which of the following quantities has the greatest order of magnitude? 1. the number of stars in…
A: Given: There are three values having different magnitude as follows, Number of stars in Milky Way…
Q: Kinetic energy KE (Chapter 5) has dimensions kg · m2/s2 . It can be written in terms of the momentum…
A: a. write the equation for kinetic energy and solve for momentum.
Q: By measurement you determine that sound waves are spreading out equally in all directions from a…
A: Intensity, I=260 W/m2 Distance from sourc, r=43.0 cm Time, t=5.5 ms To determine energy emitted…
Q: Complete the following conversions 239 km/s= ________cm/s Express your answer using three…
A: C.G.I units and S.I units are two unit systems that use different units of length, mass, and time…
Q: A unit of area often used in measuring land areas is the hectare, defined as 10“ m². An open-pit…
A:
Q: You measure the mass of your phone to be 161 grams, but the manufacturer's website lists it as 163.9…
A: Given data: Actual mass (m) = 161 g Expected mass (m') = 163.9 g Required: The percentage error
Q: Q5: A young scientist announced the discovery of the equation for the volume of an eggplant: V(ft&)…
A: Given: v(ft3)=14.67m+3.23*10-2e2t2 where m is in kg from dimension anlaysis for example if 5m=a+3b2…
Q: Which of the following are derived metric units? (select all that apply) J, Joule m/s, meters per…
A: Joule is the unit of energy. Its dimension is [ML2T-2]. So, it is a derived unit. m/s is the unit of…
Q: If you are to measure the length, width and thickness of a book, what measuring device will you use?…
A: According to question: For measuring the length, width and thickness of a book, I prefer Measuring…
Q: The Apothecary system of units was used in Britain and the US until 1858. Given the density of water…
A: 1 grain = 0.065 g Therefore, 20 grains=20×0.065=1.3 g That implies 1 scruple = 1.3 g Therefore, 3…
Q: What will happen if dispersion and scattering of light do not occur?
A: Dispersion and scattering of light is the cause of many natural phenomena, which we will not be able…
Q: Carry the following conversions: a. 2.5x10 -10 g in to kg if kg = 10 3 g; b. The label on a small…
A: a) Given values: Thus, mass M is given as:
Q: Which one are units and explain ?
A:
Q: Is the only standard unit in the metric system that has a prefix. what does this prefix means?.
A: Yes. A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple…
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- Convert the following measurements to metric units with power-of-ten prefixes. Do not use scientific or engineering notation. Numeric values must range from 1 to less than 1000. Metric prefixes, which are case-sensitive, must be one of the following: M, m, c, k, or µ. (You may use lower-case 'u' in place of 'p'.) Example: 2.00 × 105 m = 200 km Enter the numeric value in the first box, and enter the metric prefix in the second box. a. 3.51 x 10-5 L = b. 7.98 x 108 J = C. -0.000230 W = - W d. 11,200 K = K (note: upper-case 'K' is the abbreviation for the temperature unit 'kelvin')In the following calculations, be sure to express the answer in standard scientific notation with the appropriate number of significant figures. 6.477 × 10 m² 4.7036 x 102 m x 10Suppose a man's scalp hair grows at a rate of 0.50 mm per day. What is this growth rate in feet per century? Number Units
- 1)A grocery store sells 5-lb bag of apples. A customer bought apples weekly and made a record of his purchases: The weighing scale in the grocery store has an uncertainty of 10.3 lb. The customer obtained the following measurements: Week 1: weight is 4.8 Ib Week 2: weight is 5.3 lb Week 3: weig is 4.9 Ib Week 4: weight is 5.4 lb What is the Percent Uncertainty of the bag's weight?A new unit of measurement for long distances is introduced by superheroes into the scientific community. Convert 8.5 starks into feet. 115 stark = 29 Kent EXACT 13 Kent = 35 feet EXACTInstructions: Answer must be in standard form scientific notation with SI units that do not have prefixes except for kg. Provide the answer with the correct amount of significant figures. Thank you I greatly appreciate it
- A cereal box has the dimensions of 19.75cm x 28.40 cm x 5.2 cm what is the volume of the box in cubic meters?Since 0.254 m = 25.4 cm = 254 mm, we could conclude that unit conversions within the metric units of length can be accomplished by simply shifting the ______ the appropriate number of places.what would be the best UNIT OF DISTANCE to measure the diameter of a penny?
- Hello, I am having trouble with this homework question. What would be the best approach in solving this problem and getting the answer in both scientific notation and as a whole number? Unit Conversions (Metric < -- > United States customary) 1 mile = 5280 feet = 1.6 km1 lb = 0.454 kg = 16 oz1 liter = 33.8 oz1 gallon = 3.78 liter 7) How many ounces are in 6 pounds? e.g. 6 lb x 16 oz ^ 1 lb = _______ oz 8) Convert 23 miles to feet.___________________________________________ ft9) Convert 120 lbs to kilograms.____________________________________________ kg10) Convert 451 mL to ounces.____________________________________________ oz11) Convert 2.5 miles to km.____________________________________________ km12) Convert 2 days to seconds._________________________________________ s13) Convert 75 minutes to days._________________________________________ days14) Convert 1.8 gallon to ounces.____________________________________________ ozListen Calculate the number of seconds that a 53 year old person has lived. Your Answer: Answer units