Answered

Westonci.ca is the ultimate Q&A platform, offering detailed and reliable answers from a knowledgeable community. Explore thousands of questions and answers from a knowledgeable community of experts on our user-friendly platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

a rocket speed is 2 1/3 miles per second. how fast is this in miles per hour?

Sagot :

(2 1/3 miles/sec)*(3600 sec/hr) = 8400 mph . . . this is just using dimensional analysis to convert units
a386
You can solve this by setting up ratios that when cross-multiplied cancel out the units.  For example, having a value with a unit of miles in the numerator and seconds in the denominator multiplied by a value with a unit of seconds in the numerator and minutes in the denominator would cancel out the seconds and leave you with a ratio of miles over minutes.

*You can convert seconds to minutes (if seconds was on the bottom of a fraction) by multiplying by the number of seconds in a minute over one minute.*

Multiply the numerators and denominators separately, cross out canceled units, and simplify if needed.  "Crossed out" units are in italics.  Units that are kept are in bold.

2+(1/3) miles  x  60 seconds  x  60 minutes  =  8400 miles
1 second             1 minute           1 hour               1 hour

8400 miles per hour
Thanks for using our service. We're always here to provide accurate and up-to-date answers to all your queries. We hope you found this helpful. Feel free to come back anytime for more accurate answers and updated information. Thank you for trusting Westonci.ca. Don't forget to revisit us for more accurate and insightful answers.