Dimensional Analysis Worksheet #2



Show ALL work in a neat and organized manner. LABEL UNITS! Do ALL work on your notebook paper!Traveling at 65 miles/hour, how many minutes will it take to drive 125 miles to San Diego?125 miles x 1 hour65 milesx 60 minutes1 hour=115.38 minutes=115 minutes Convert 50 years into seconds. 50 years x 365 days1 yearx 1440 minutesday x 60 seconds1 minute=1.5768 billion seconds Traveling at 65 miles/hour, how many feet can you travel in 22 minutes? (1 mile = 5280 feet)65 mileshour x 1 hour 60 minutesx 5280 ftmile x 22 minutes=125,840 ft. Sally Leadfoot was pulled over on her way from Syracuse to Ithaca by an officer claiming she was speeding. The speed limit is 65 mph and Sally had traveled 97 km in 102 minutes. How fast was Sally’s average speed? Does she deserve a ticket? (1 mile=1.609 km)97 km102 minutes x 1 mile 1.609 kmx 60 minutes1 hour =35.46 mph. Winnipeg is refilling the pool. How many gallons of water will it take if the pool is 50m by 25m by 1.5m? (1 gallon = 3.786 L)50m x 25m x 1.5 m=1875 cu. meters. 1875 cu. meters x 1000 L1 cu. m x 1 gallon3.786 L=495245.64 gallons Mark is running 12 feet per second and Mary is running 5 miles per hour. Who is running faster?Mark: 12 ftsec x 1 mile5280 ft x 3600 sechour=8.18 mphA food company processes yogurt in 1 cup containers. The machine that fills the containers with yogurt runs 10 hours a day, 5 days a week. It fills 1200 cartons in an hour. How many gallons of yogurt are needed to fill 1200 cartons?1200 cartons=one hour. The Smith family is driving to Florida and they have 350 left to drive before they reach their hotel. The car has a full tank of gas (15 gallons) and on the highway they average 24 miles per gallon. Will the Smith’s need to stop for gas before they reach the hotel? Show your calculations and explain why or why not in a complete sentence.350 miles vs. 15 gallons x 24 mpg=360 miles. A room is 20 ft by 15 ft. The carpeting selected is $ 37 per square yard. What is the cost of the carpeting?20 ft x 15 ft ÷ 9 sq. ft per yard=3313 sq yards. 3313 sq. yards x$37sq yd=$1,233.33. ................
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