Still think that unit conversion isn't important? Here is a widely publicized, true story about how failing to convert units resulted in a huge loss. In 1998, the Mars Climate Orbiter probe crashed into the surface of Mars, instead of entering orbit. The resulting inquiry revealed that NASA navigators been making minor course corrections in Sl units, whereas the software written by the probe's makers implicitly used British units. In the United States, most scientists use Sl units, whereas most engineers use the British, or Imperial, system of uni (Interestingly, British units are not used in Britain.) For these two groups to be able to communicate to one another, unit conversions are necessary. The unit of force in the Si system is the newton ((N), which is defined in terms of basic Sl units as 1N=1 kg - m/s. The unit of force in the British system is the pound (Ib), which is defined in terms of the slug (British unit of mass), foot (ft), and (s) as 1 lb =1 slug - ft/s. Part B Find the value of 15.0 N in pounds. Use the conversions 1 slug = 14.59 kg and 1 ft = 0.3048 m. Express your answer in pounds to three significant figures. > View Available Hint(s) 15.0 N = Ib

On average, each person in the industrialized world is responsible for the emission of 10,000 kg of carbon dioxide (CO2) every year. This includes the CO2 that you generate directly, by burning fossil fuels to operate your car or your furnace, as well as the CO2 generated on your behalf by electric generating stations and manufacturing plants. CO2 is a greenhouse gas that contributes to climate change. What is the volume, in m3, of 10,000 kg of CO2 at 20°C and 1.0 atm pressure? To put this in perspective, the volume of a typical hotair balloon is 3000 m3.

3 sig figs

Acre-feet (af) is a unit that some non-scientists unwisely use to measure volume of liquids. By definition 1 acre foot is one foot multiplied by 1 acre. 1 acre is equal to about 4 × 104 ft2 . 1. How many cubic feet are in an acre-foot?

Monarch butterflies belong to one of the most beautiful species of animals. To protect themselves from the cold in Canada and the United States, they fly to Mexico and the countries of Central America in the fall. If they travel an approximate distance of 3,960 km during 60 days, a) what is the speed of the butterflies in m / s b) in km / hr

A scientist performs an experiment on all 8 planets in the solar system by comparing the lengths of the strips of paper tape required to record 10 data points. Therefore, which would we find that: A) The longest strip of paper is required for the planet: ?  B) The shortest strip of paper is required for the planet: ? 8 Planets are Saturn, Earth, Venus, Uranus, Mars, Neptune, Jupiter, Mercury

Newton's law of universal gravitation can be expressed by the equation F = G  Mm r2 , where F is the gravitational force, M and m are masses, and r is a length. Force has the SI units kg · m/s2. What are the SI units of the proportionality constant G?

a.     A painter uses 4.5 litres of paint to cover a wall with an area of 50 m2. Calculate the average rate of paint coverage in m2/L. b     The painter works for 1.5 hours and then rests for half an hour before completing the painting in another hour. Find the average rate at which the painter paints the wall in m2/h.

S Can 6 PAR к Торс K Unit K In x K Moti = Cop K Unit S Spee S Topo S Math Micr eb.kamihq.com/web/viewer.html?source-filepicker&document_identifier=137VZR5BZOVSAIMOA55WU555_CvJ9NacO + 100 P e Interpreting Graphs Answer the questions following the graphs on each side Dietance va. Time 2 7 10 11 12 13 14 Time in soconds 1. From 1 second to 2 seconds, how fast is the object traveling. (Take the difference in distance and divide it by the time in between the 2 distances) 2. Is the object going as fast between 9 and 12 seconds as it is between 1 and 4 seconds? How can you tell? 3. What is the motion of the object between 4 and 6 seconds? acer

An Olympic-size swimming pool is 50 m long, 25 m wide, and 2 m deep. In terms of volume, this pool, when full, holds how many kilogallons of water? Use the following equivalences: 1 gallon = 3.8 L     1 kilogallon = 103 gallon      1 L = 103 mL     for water: 1 mL = 1 cm3      1 m = 100 cm   [Numerical Problem: Just write the numerical answer without units. Express your answer to 2 significant figures in standard notation]