Practice: Convert 850 ft to km.

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Uncertainty |

Practice: Convert 850 ft to km.

Practice: The speed of light is approximately 3.00×10^{8} m/s. Convert this speed to yards/week (yd/wk).

Practice: How many gallons are in 1 cubic meter (m3)?

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If you are driving at 50 mph, what is your speed in m/s?

There are 1609 meters in one mile and 3600 seconds in one hour. If you drive your car at 75 miles per hour, what is your speed in kilometers per hour?
A) 75 km/h
B) 34 km/h
C) 1684 km/h
D) 121 km/h
E) 120675 km/h

A rectangular building lot has a width of 75.0 ft and a length of 125 ft. Determine the area of this lot in square meters.

A section of land has an area of 1 square mile and contains 640 acres. Determine the number of square meters in 1 acre.

What is the conversion factor between ft2 and yd2?What is the conversion factor between m2 and ft2?

Noahs ark was ordered to be 300 cubits long, 50 cubits wide, and 30 cubits high. The cubit was a unit of measure equal to the length of a human forearm, elbow to the tip of the longest finger.Express the length of Noahs ark in meters.Express the width of Noahs ark in meters.Express the hight of Noahs ark in meters.Estimate its volume in m3 .

Suppose your hair grows at the rate 1/32 in. per day. Find the rate at which it grows in nanometers per second. Because the distance between atoms in a molecule is on the order of 0.1 nm your answer suggests how rapidly layers of atoms are assembled in this protein synthesis.

Determine the conversion factor between km/h and mi/h.Determine the conversion factor between m/s and ft/s.Determine the conversion factor between km/h and m/s.

The tropical year the time interval from one vernal equinox to the next vernal equinox is the basis for our calendar. It contains 365.242 199 days. Find the number of seconds in a tropical year.

The recommended daily allowance (RDA) of the
trace metal magnesium is 410 mg/day for males. Express this
quantity in g/day.For adults, the RDA of the amino acid
lysine is 12 mg per kg of body weight. How many grams per day
should a 76 kg adult receive?A typical multivitamin tablet can
contain 2.0 mg of vitamin B2 (riboflavin), and the RDA is 0.0030 g/day.
How many such tablets should a person take each
day to get the proper amount of this vitamin, assuming that he gets
none from any other sources?The RDA for the trace element
selenium is 0.000070 g/day. Express this dose in mg/day.

The following conversions occur frequently in physics and are very useful.(a) Use 1 mi = 5280 ft and 1 h = 3600 s to convert 60 mph to units of ft/s.(b) The acceleration of a freely falling object is 32 ft/s . Use 1 ft = 30.48 cm to express this acceleration in units of m/s2.(c) The density of water is 1.0 g/cm3.Convert this density to units of kg/m3.

Albert defines his own unit of length, the Albert, to be the distance Albert can throw a small rock. One Albert is 52 meters. If an object is travelling at 4.16 Alberts per hour, what is its speed in meter per second? How many square Alberts is one acre? (1 acre = 43,560 ft2 = 4050 m2)

The consumption of natural gas by a company satisfies the empirical equation V = 1.50t + 0.008t2 where V is the volume of gas in millions of cubic feet and t is the time in months. Express this equation in units of cubic feet and seconds. Assume a month is 30.0 days.

A house is advertised as having 1420 square feet under its roof. What is its area in square meters? (a) 4660 m2 (b) 432 m2 (c) 158 m2 (d) 132 m2 (e) 40.2 m2

A pyramid has a height of 481 ft and its base covers an area of 13.0 acres. The volume of a pyramid is given by the expression V = 1/3(Bh) where B is the area of the base and h is the height. Find the volume of this pyramid in cubic meters. (1 acre = 43,560 ft2)

One hectare is defined as 1.000×104 m2. One acre is 4.356×104 ft2.How many acres are in one hectare?

Convert the following to basic SI units. Approximate conversion factors:10 cm = 4 in; 1 m = 1 yard; 1 m = 3 feet; 1 km = 0.6 mile; 1 m/s = 2 mph(a) 10 in(b) 71 ft/s(c) 71 mph(d) 17 in2

According to the label on a bottle of salad dressing, the volume of the contents is 0.473 liter (L).Using only the conversions 1 L = 1000 cm3 and 1 in = 2.54 cm, express this volume in cubic inches.

A square field measuring 100.0 m by 100.0 m has an area of 1.00 hectare. An acre has an area of 43,560 ft2.If a country lot has an area of 16.0 acres, what is the area in hectares?

The most powerful engine available for the classic 1963 Chevrolet Corvette Sting Ray developed 360 horsepower and had a displacement of 327 cubic inches. Express this displacement in liters (L) by using only the conversions 1 =1000 cm3 and 1 in = 2.54 cm.

An ore loader moves 1200 tons/h from a mine to the surface. Convert this rate to pounds per second using 1 ton = 2000 lb.

A typical atom has a diameter of about 1.0 × 10-10 m.What is this in inches?Approximately how many atoms are there along a 4.0 cm line?

(a) How many seconds are there in 1.00 year?(b) How many nanoseconds are there in 1.00 year?(c) How many years are there in 1.00 second?

(a) Starting with the definition 1 in. = 2.54 cm, find the number of kilometers in 1.60mi.(b) Starting with the definition 1 = 2.54 cm, find the number of feet in 1.60km.

Enter a formula for converting a speed given in meters per second to its value in kilometers per hour, using s as the given value.s (km/h) =

Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such plate has an average speed of 4.0 cm/year. (a) What distance does it move in 1 s at this speed? (b) What is its speed in kilometers per million years?

The planet Mercury's surface temperature varies from 700 K during the day to 90 K at night.Part 1What is the temperature in °C during the day?Part 2What is the temperature in °C at night?Part 3What is the temperature in °F during the day?Part 4What is the temperature in °F at night?

On the page 466 of the text the Ideal Gas Law is given as PV = nRT, why are there 3 different R's given?R = 8.314 J/mol•KR = 0.0821 (L•atm)/(mol•K)R = 1.99 calories/(mol•K)What the book says Page 466:

Rank these SI distance units from smallest to largest: μm, am, nm, fm, mm, cm, m, km, Tm, Gm, Mm, Em, Pm

While driving in an exotic foreign land you see a speed limit sign on a highway that reads 1.81×105 furlongs per fortnight.How many miles per hour is this? (One furlong is 1/8 large{{frac{1}{8}}}mile, and a fortnight is 14 days. A furlong originally referred to the length of a plowed furrow.)

Hydraulic engineers in the United States often use, as a unit of volume of water, the acre-foot, defined as the volume of water that will cover 1 acre of land to a depth of 1 ft. A severe thunderstorm dumped 2.0 in. of rain in 30 min on a town of area 26 km2. What volume of water, in acre-feet, fell on the town?

Find the value of 15.0 N in pounds. Use the conversions 1slug = 14.59kg and 1ft = 0.3048m. Express your answer in pounds to three significant figures.

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