<span>Using a calculator, we find that Usain Bolt's average speed over the 100 meter race was about 23.2 miles per hour. Note that some of the numbers in this calculation, namely 100, 3600, and 5280 are exact while 3.28 and 9.63 are only approximate. Since the approximate numbers only have 3 significant digits we only report three digits in the final answer.
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Answer:
The dominant wavelength of the sun is 
Explanation:
Wien's law is defined as:
(1)
Where 
is the maximum wavelength, c is the Wien's constant and T is the temperature.
Therefore, can be isolated from equation 1.
(2)
Notice that it is necessary to express the Wien's constant in units of meters
⇒ 
Finally, equation 2 can be used:
Hence, the dominant wavelength of the sun is
FALSE! You would still need to complete, just in case they accepted
Answer:
Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system.
Explanation:
1.0 joule= 1.0 newtons × 1.0 meter = 1.0 newton × meter
Work = 10 newtons × 5 meters = 50 newton × meter
