How many minutes of arc does the Earth rotate in 1 min of time?
Answer to relevant QuestionsThe density of metal mercury is 13.6 g/cm3. (a) What is this density as expressed in kilograms per cubic meter? (b) How many kilograms of mercury would be required to fill a 0.250- L container? Express each of the numbers in Exercise 43 with two significant figures. (a) 1.007 m, (b) 8.03 cm, (c) 16.272 kg, (d) 0.015 μs (microseconds). In doing a problem, a student adds 46.9 m and 5.72 m and then subtracts 38 m from the result. (a) How many decimal places will the final answer have: (1) zero, (2) one, or (3) two? Why? (b) What is the final answer? What size cube (in centimeters) would have a volume equal to that of a quart? At the Indianapolis 500 time trials, each car makes four consecutive laps, with its overall or average speed determining that car’s place on race day. Each lap covers 2.5 mi (exact). During a practice run, cautiously and ...
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