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A: Required : Express the following with appropriate units and significant figures. 1.0 m + 9 mm.…
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A:
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A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
Q: answer
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A: Given data: A has 5 significant figures B has 2 significant figures C has 3 significant figures…
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A: Given Ratio of lenth oan width is 3:2 Lenth = 3X Width = 2X Perimeter = 2(2x+3x) = 10x
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A: Thickness of hair = 0.015 cm 1 cm = 10-2 m
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A: f = 0.89 Hzmass = m spring constant = k added mass = 760g new frequency = 0.64 Hz using , formula ,…
Q: 10. Which of the following has 4 significant figures?" O 2000 O 0.020 O 2.002 O 2000.0
A: Significant figures are defined as the total number of digits in a given value. It provides a degree…
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A: Given data: I inch =2.54 cm To find 4.57 feet = ? m
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A: A nano second is one-billionth of a second. A millisecond is one-thousandth of a second.
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A: Significant figures are the number of digits in a quantity that are either non-zero or trapped…
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A: Given values: a. 4.56×10-3 b. 0.08120×105 c. 4.56×104
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A: The properties of significant figure are:- -All the non-zero digits are significant. - All the zeros…
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A: Any number raised to zero is just one. Therefore, 100 = 1 So our equation reduces to 1.060×100 ×…
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A: (a) 7.59 x 107 m = 759 x 105 km = 759 x 100 km = 75900 km (b) 0.0074 m = 0.0074 x 1000 mm = 7.4…
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A: 6.477 x 1044.7036 x 102
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A: The number of significant figures in 0.06900 is
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A: Correct answer is given below.
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A: To Define Length in terms of meters
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Q: Determine the number of significant figures for the following numbers 5,306,000,000 A 2 B 10 2-10…
A: Given data: The number 5,306,000,000 Required: The number of Significant figures
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A: a) The multiplication of figures would be 0.1184×8.00×0.0345=0.0326784
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A: NOTE: As per guidelines, I can solve first question. If you need help with other questions, kindly…
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- a. Density measures how much mass per unit of volume an object has. Calculate thedensity of Earth using the formula for a volume of a sphere and the constantvalues found on your formula sheet. b. What can you say about the composition of Earth when you compare your valuefrom question 4 to the density of water (approximately 1000 kg/m3 at roomtemperature)?Acre-feet (af) is a unit that some non-scientists unwisely use to measure volume of liquids. By definition 1 acre foot is one foot multiplied by 1 acre. 1 acre is equal to about 4 × 104 ft2 . 1. How many cubic feet are in an acre-foot?The first atomic bomb was detonated on July 16, 1945, at the Trinity test site about 200 mi south of Los Alamos. In 1947, the U.S. government declassified a film reel of the explosion. From this film reel, British physicist G.I. Taylor was able to determine the rate at which the radius of the fireball from the blast grew. Using dimensional analysis, he was then able to deduce the amount of energy released in the explosion, which was a closely guarded secret at the time. Because of this, Taylor did not publish his results until 1950. This problem challenges you to recreate this famous calculation. (a) Using keen physical insight developed from years of experience, Taylor decided the radius rof the fireball should depend only on time since the explosion, t, the density of the air, , and the energy of the initial explosion, E. Thus, he made the educated guess that r=kEabtcfor some dimensionless constant kand some unknown exponents a,b, and c. Given that [E]=ML2T-2 , determine the values of the exponents necessary to make this equation dimensionally consistent. (Hint: Notice the equation implies that k=rEabtcand that [k]=1 ). (b) By analyzing data from high-energy conventional explosives, Taylor found the formula he derived seemed to be valid as long as the constant khad the value 1.03. From the film reel, he was able to determine many values of rand the corresponding values of t. For example, he found that after 25.0 ms, the fireball had a radius of 130.0 m. Use these values, along with an average air density of 1.25kg/m3 , to calculate the initial energy release of the Trinity detonation in joules (J). (Hint: To get energy in joules, you need to make sure all the numbers you substitute in are expressed in terms of SI base units.) (c) The energy released in large explosions is often cited in units of “tons of TNT” (abbreviated “t TNT”), where 1 t TNT is about 4.2 GJ. Convert yow answer to (b) into kilotons of TNT (that is, kt TNT). Compare your answer with the quick-and-duty estimate of 10 kt TNT made by physicist Enrico Fermi shortly after witnessing the explosion from what was thought to be a safe distance. (Reportedly, Fermi made his estimate by dropping some shredded bits of paper right before the remnants of the shock wave hit him and looked to see how far they were carried by it.)
- Estimates and Fermi Calculations Assuming the human body is made primarily of water, estimate the volume of a person.Check Your Understanding We know horn Figure 1.4 that the diameter of Earth is on the order of 107m , so the order of magnitude of its surface area is 1014m2 . What is that in square kilometers (that is, km2)? (Try doing this both by converting 107m to km and then squaring it and then by converting 1014m2 directly to square kilometers. You should get the same answer both ways.)Can the validity of a model be limited, or must it be universally valid? How does this compare to the required validity of a theory or a law?
- Convert the following into the metric uestimated volume of the oceans, 330,000,000 cubic miles to cubic kilometers. .nits indicated. Show your calculations. Round off answers to 2 decimal places. 5. The displacement of an automobile engine, 316 cubic inches, to liters. 6. Thepls answer number 3 and provide a detailed solution... thank youConvert 5 x 1010 Megahertz to bits per second. Giving detailed explanations
- A fathom is a length unit equal to 6 feet that is used to measure the depth of water. Assume the depth of the ocean is 10,342 meters. How deep is it in fathoms? Assume that 1 meter equals 3.28 feet, and round your result to the closest whole number.Use your calculator to determine (√8)3 to three significantfigures in two ways: (a) Find √8 to four significant figures;then cube this number and round to three significantfigures. (b) Find √8 to three significant figures; then cubethis number and round to three significant figures. (c) Whichanswer is more accurate? Explain.How many correct experiments do we need to disprove a theory? How many do we need to prove a theory? Explain.