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Building a race car takes more than just throwing money at a project vehicle by buying race car components , slapping them on the car and going racing, expecting to take home the championship on your first season.
Putting together a successful race car takes expertise, a hefty budget and commitment from a team that is willing to solve teething problems and working with only a few hours鈥?sleep, specially on race weekends. Though there are many who claim that you can race on a shoestring budget, going racing takes more than just showing up in a cheaply built race vehicle. Even if the owner and builder is a genius engineer who can fabricate race car components , going racing involves having support vehicles, a service crew, entry fees, fuel costs, tire costs , food expenses, insurance maybe and other small expenses that all add up.
Whatever path the racer may choose to take to enter the world of motorsports, the first thing that you need to do is to look for a series that suits your inclination, time and budget. In your area, there should be several options to choose from , from amateur autocross or rallycross series to sanctioned drag racing championships that involves racing at several different tracks around the country or even neighboring countries. Having identified your series, choosing your vehicle is the next most important step. A quick and dirty way of entering a series competitively from the start is by buying a car from someone who has built up a car that falls within the regulations of that series. It doesn鈥檛 have to exactly fall within the regualtions, because you can add or remove the race car components as the rules require. One of the downsides to a ready-made racer is that it doesn鈥檛 give the amateur racer the indispensable knowledge and experience that you get from building a race car on your own. In addition, the car you have bought may already be on its way to obsolescence or not competitive, so undoing the previous builder鈥檚 errors could cost you more in the end.
We come across large numbers in our day to day life .we can express large number conveniently expressed using exponents. Every large number can be expressed as k x 10鈦? , where k is some natural number .however , for the sake of uniformity , we write the number in the form k x 10鈦? where k is terminating decimal number greater than or equal to 1 and less than 10 and n is a natural number .To express large number into standard form is scientific notation.
A number expressed in scientific notation - is based on powers of 10. If n is a positive integer, then the mantissa of the scientific notation is multiplied by n factors of 10. If n is a negative integer, then the mantissa of the scientific notation is divided by n factors of 10.
Scientific notation rules
1) For the positive number , move the decimal point to the left to bring non-zero digit to the left of the decimal point.
Example of scientific notation: To express 41460. 5 in the standard form of decimal, we have to move decimal point 4 places on the left to get 4.14605 , so 41460.5 in the standard form of decimal is 4.14605 x 10鈦?
2) If the given number is less than one, then move the decimal point to the right to obtain one non 鈥搝ero digit to the left of the decimal point. If the decimal point is moved p places to the right ,then multiply the new number by 10^-n to express the given number in the standard form of decimal
Example of scientific notation : To Express 0.03453 in the standard form of decimal we will have to move the decimal poit 2 places on the right to get 3.453 .so , 0.03453 in the standard form of decimal is 3.453 x 10^-2
Scientific notation word problems
Example 1: A lake covers an area of about 3.5*10^5 square feet and its average depth of lake is about 16 feet.聽聽聽Calculate the cubic feet of water in the lake.
Solution1) Volume of lake = area x depth
= 3.5 *10^5 x 16 cubic feet
= 56 *10^5 cubicfeet
= 5.6 x 10^6 cubic feet
Expanded form : The expanded form of a number can also be expressed in term of powers of 10 by using
10^0 = 1 , 10^1 = 10 , 10^2 = 100
Example of expanded form :
1) 6467 = 6 x1000+ 4 x 100+ 6 x10 + 7
2) 7465267= 7 x 1000000+ 4 x100000+6x10000+5x1000+2x100+6x10+7
= 7x10^6+4x10^5+6x10^4+x10^3+2x10^2+6x10^1+7x10^0
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