**60 Kilometres In Miles** – 1 If you are going 60 km/h, are you breaking the speed limit in a 40 mph zone?

1 kilometer = 0.62 miles 60 km/h = 37.2 mph You are not speeding! km/h and mph measure the same quantity using different units.

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## 60 Kilometres In Miles

Nature of Measurement Quantitative observation has two parts. Number Scale (Unit) Examples 20 grams 6.63 x J sec.

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Physical Quantity Unit Name Abbreviation Mass Kilogram Kg Length Meter Time Second Second Temperature Kelvin K Ampere Electric Current Amount of Substance Mole Mole Brightness Density Lumen Candle

7 metric system SI prefixes multiple (numerical) (exponential) yotta Y septillion 1, 000, 000, 000, 000, 000, 000, 000, 1024 zetta Z sextillion 1, 000, 00, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 000, 1, 000, 000, 000, 000, 000. 000, 000 1021 exa E quintillion 1, 000, 000, 000, 000, 000, 000 1018 beta P quadrillion 1, 000, 000, 000, 000, 000, tera10, 1010, 000 00 0 1012 gigabyte gigabyte 1 billion , 000, 000, 000109 mega million 1, 000, 000106 kilo-thousand 1, 000103 hecto-hundred 100102 deca-da-ten 10101 unit one deci d x 0.1 10-hour 100-100000000000000000 000000000000000 1 10 -3 micro million 10-6 nano billion 10-9 pico trillion 10-12 femto quadrillion 10-15 atto quintalion 10-18 zepto z ( ) sextillionth 10-21 yocto y 10-21 yocto y using the 10-year scale analyze metric problems: put Always given that the larger unit has a value of 1, the smaller unit is a larger multiple of this unit. X 1000 X 10 X 10 X 1000 Example: 1 m versus centimeters.

Metric conversions SI prefixes multiple (numeric) (exponential) yotta Y septillion 1, 000, 000, 000, 000, 000, 000, 000, 000 1024 zetta Z sextillion 1, 000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 000, 000 000, 000 1021 exa E quintillion 1, 000, 000, . 000106 kilo- thousand 1, 000103 hecto-hundred 100102 deka-da-ten 10101 one unit 1 desi d x 0.1 10-hour 10-million 100000000000000000000000000000 01 10-3 micro micro micro million 10-6 pico to 10-12 zeprillition 10-1 5 Atta Bako ー Zracilliction 10-15 Attollild Thucto 10-24 yocto yx 10-24 up to UNITS (not PREFIXES to other PREFIXES) Example: Mm compared to pm. Meter, liter, gram factors, ratios, equations. Example: cm versus micrometers.

How long is a dam meters (m) fat cm mm 2.54 cm = 1 inch 1 mile = 5, 280 feet 1 yard = 36 inches 3 feet = 1 yard 12 inches = 1 foot. poison? Convert 60 mph to km/sec. How many cubic meters of water are in 25 cubic feet? 3 3 3

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10 Mass ≠ Weight Mass is an indicator of the body’s resistance to change in its state of motion. Mass is no different. Weight is the force of gravity acting on an object. The weight varies depending on the strength of the gravitational field.

10 cm 10 cm 1 liter cube 1 dm3 = 10 cm long on each side. 10 cm 1 L = dm3 = (10 cm) 3 = (10 x 10 x 10) cm 3 = 1000 cm3 = 1000 ml or 1 ml = 1/1000 liter cubic milliliter (ml) 1 cm cube on each side. = milliliters

Amount of matter per unit volume (number of atoms) = compressibility. Mass divided by volume. = D = m V Mass (g) Volume (ml)

(a) What is the mass (gm) of this piece of metal if it displaces .12 mL of water in a graduated cylinder? b) What is the volume of 34 kg of the same metal in milliliters?

### Solved] F 14. A Ship Is Sighted At Sea From Two Observation Points On The…

16 * Temperature: Measures the average kinetic energy (motion caused by heat) of the particles in the sample. T = change in temperature As KE increases, the particles vibrate more and their volume (temperature) expands. 373273100100 – 0212 32180 C = (F – 32) 1.8 F = 1.8 (C) + 32 K = C

It is used to convert a certain result from one system of units to another. To convert from one unit to another, use an equivalence statement that connects the two units. Depending on the desired direction of change (to cancel unnecessary units), obtain the appropriate unit coefficient. Multiply the amount to be converted by the unit factor to give the amount in the desired units.

As long as you know one conversion for each measurement type, you can convert anything! You should memorize and use these conversions: Mass: 454 grams = 1 pound Length: cm = 1 inch Volume: L = 1 quart

A golfer puts a 6.8-foot golf ball onto the green. How many inches is that? Example 1 Use an equivalence statement that connects two units to convert from one unit to another. 1 foot = 12 inches Unit Factors:

#### Miles To Kilometers Converter

20 Example 1: A golfer puts a 6.8-foot golf ball onto the green. How many inches is that? Depending on the desired direction of change (to cancel unnecessary units), obtain the appropriate unit coefficient. Multiply the amount to be converted by the unit factor to give the amount in the desired units.

21 Example 2 A sample of iron has a mass of 4.50 pounds. What is the mass in grams of this sample? (1 kg = lb, 1 kg = 1000 g)

Use the conversion factors you know, but when you square or cube a unit, don’t forget to cube the number too! The best way is to square or cube the entire conversion factor. Example: Convert 4.3 cm3 to mm3 4.3 cm3 1 cm 4.3 cm3 13 cm3 () = 4300 mm3

23 Concept Check! What information do you need to calculate your gas cost to drive your car from New York to Los Angeles? Estimate the values and calculate the sample. This problem requires students to think about how to solve the problem before entering the numbers into the equation. Simple answer: Distance between New York and Los Angeles: Average gas mileage: 25 miles per gallon Average gasoline price: $2.75 per gallon (3,200 miles) x (1 gallon/25 miles) x ($2.75/1 gallon) = $352 Total cost = $350

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Practice! At what temperature °C = °F? Since Celsius is equal to Fahrenheit, they must both have the same value (denoted as variable x). Use one of the following conversion equations: Enter the value of x for TC and TF. solving for x. The answer is -40. Since Celsius is equal to Fahrenheit, they must both have the same value (denoted as variable x). Use one of the conversion equations such as °C = (°F-32)(5/9) and substitute the x value for °C and °F. Solve the x.

Previous. 2) the volume of water in the graduated cylinder is 27.0 ml. A piece of lead is slowly lowered into the cylinder, which is ml. If the density of lead is 11.3 g/cm3, what is the mass of lead? previous. 3) The mass of the empty flask is 25.83 g. When filled with mercury, its new mass is 225.3 grams. If the density of mercury is g/cm3, what is the volume of the glass?

Measured length 1.5 to 1.6: 1.54 is known exactly in 1 and 5. The last number (4) is estimated between two exact division marks. Copyright © Fred Sinise

The estimated number in the measurement is called uncertainty. Measurement always has some degree of uncertainty. Depends on the accuracy of the measuring device. Write the exact numbers and the first uncertain number (guess number).

#### The Graph Shown Can Be Used To Convert Between Kilometres And Miles….

The sound is read at the bottom of the fluid curve (meniscus). The meniscus of the liquid occurs at about ml. Some numbers: 20.15 Unconfirmed numbers: 20.15

Correspondence of the given value to the actual value. Precision The degree of agreement between multiple measurements of the same quantity.

1. Nonzero integers are always significant numbers. 3456 has 4 sig tins (significant digits). 2. There are three classes of ciphers. a. Leading zeros are zeros before all non-zero numbers. These are not important numbers. 0.048 contains 2 sig figs.

Zero classes. B. Bounded zeros are zeros between nonzero numbers. These are always important numbers. 16.07 has 4 sig shapes. c. The trailing zeros are the zeros to the right of the number. Only significant if the number has a decimal point. 9.300 has a capacity of 4. 150 has 2 sig tins.

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3. Exact numbers have an infinite number of significant figures. 1 inch = 2.54 cm exact.

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