(II) The age of the universe is thought to be about 14 billion years. Assuming two significant figures, write this in powers of 10 in (a) years, (b) seconds.

Q: one meter is 100 cm. Does it therefore follow that one cubic meter is 100 cubic centimeters? explain…

A: As we know, 1 meter is equivalent to 100 cm, So one cubic meter is equivalent to, 1 m3=100 cm3=106…

Q: A fathom is a unit of length, usually reserved for measuring the depth of water. A fathom is…

A: The unit conversion of fathom into ft is given as, 1 fathom=6 ft1 ft=16 fathom

Q: The Roman cubitus is an ancient unit of measure equivalent to about 0.445 m. Convert the 2.00-m…

A: Write the relation connecting meters and cubits

Q: A rectangular airstrip measures 30.00 m by 270 m, with the width measured more accurately than the…

A: Width if the strip, W=30.00 m Length, L=270 m To determine the area of the strip in correct…

Q: Determine the percent uncertainty in 0, and in sin 0, when (a) 0 = 15.0° ± 0.5°, (b) 0 = 75.0° ±…

A: (a) Percentage uncertainty in θ

Q: P (t) = PmaxCos (Bt) If t is measured in seconds, what value should the quantity B have? B = If t is…

A: The value of quantity B.given,P(t)=Pmaxcos(Bt)frequency(f)=349 Hz

Q: If a person's height is 6 ft, what would it be the equivalent in cm? (round it off to the nearest…

A:

Q: In the following problem I am asked to calculate a volume respecting the rules of significant…

A: Given: volumev=43πR3R=4.5 cm To Find: Volume respecting the significant rules

Q: What does it mean if two quantities vary directly?

A: Suppose x and y are two quantities. If it is said that x and y vary directly, then x and y are said…

Q: Solve the following conversion problems, using the basic fact 1 in. = 2.54 cm in each case:  A…

A:

Q: The rate of U.S. per capita sales of bottled water for the period 2000-2010 can be approximated by…

A: s(t) = -0.18t2 + 3t + 15 gallons per yearf(t) = 0.2 + 0.04trate of consumption = s(t) * f(t)=-0.18t2…

Q: (II) How much longer (percentage) is a one-mile race than a 1500-m race (“the metric mile”)?

A:

Q: ok i understand much better now but where did the 0.258 come from (multiplied to 17)

A: Moment of force

Q: As the volume of an object is increased, its surface area also increases. During this increase, does…

A: The square-cube law states that when an object undergoes a proportional increase in size, its new…

Q: Given that 1in  = 2.54 cm, then 10in is equal to how many cm?

A:

Q: The unit forr enegy ave kam*/sWhat nits must be have in the following 2auation,assuming E Stands fo-…

A:

Q: Hi, I just want to verify if what is the raise number, is it 9 or 4? Thank you.

A: The answer is 5×104

Q: 1 Giga equal to 1x10 9. Select one: O True O False

A: Given statement is false

Q: In a certain right triangle, the two sides that are perpendicular to each other are 4.50 m and 6.10…

A: According to Pythagoras theorem, the length of the third side of the triangle is c=a2+b2

Q: To convert from square foot (ft2) to square yard (yd-), you should O multiply by 1/3 O multiply by…

A: " Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Show that, when SI units for µ0 and ε0 are entered, the units given by the right-hand side of the…

A: SI unit of μ0 is Henry/meter which is equivalent to NewtonAmpere2 SI unit of ε0 is…

Q: How many years older will you be 1.00 gigasecond from now? (Assume a 365-day year.) * О 31.7 уrs O…

A: 1 gigasecond = one billion second = 31.7 years  .

Q: When a measuring scale is used properly to the limit of preci- sion, the last significant digit…

A: When the measuring scale is used to the limit of precision then the last significant digit is…

Q: The following formula estimates an average person’s lung capacity V (in liters, where (1L=103cm3)…

A: In the equation :V = 4.1H +0.018A +2.7All the terms must have same all dimension to be accordingly…

Q: The Roman cubitus is an ancient unit of measure equivalent to about 0.445 m. Convert the 2.10-m…

A: The value of 1 cubitus in meters is 1 cubitus=0.445 m

Q: What, roughly, is the percent uncertainty in the volume of a spherical beach ball of radius r = 0.84…

A:

Q: A certain tree is observed to grow 20cm per year. What will be the tree's height in meters after…

A: Rate of growth of tree = 20cm per year = 0.2m per year Height after time t years = Rate of…

Q: A good quality measuring tape can be off by 0.50cm over a distance of 20m? What is the percent…

A: Given:Original length L=20mUncertainity in lengh SL=0.50cmSl =0.50×10-2m

Q: A fathom is a unit of length, usually reserved for measuring the depth of water. A fathom is…

A:

Q: Must two physical quantities have the same dimensions if you are subtracting them? Select one O True…

A:

Q: If the length of a rectangle = |5 ± 0.1|m and its width = |4 ± 0.2 | 12 m. So, the rectangle area is…

A: The area is length times breadth. So, A = 5*4 = 20m2

Q: Convert 8 months to seconds

A: The given time period is,

Q: There are 2.54 cm per inch.  3.1 cm is the same distance as

A: Given, 2.54cm = 1 inch 1cm =1/2.54inch = 0.393inch

Q: Knowing that one gallon = 231 in, and 1in = 2.54. The volume of 20 gallons of water equals

A: It is given that, Also, Thus,

Q: Use dimensional analysis to determine which of the following equation is certainly wrong: mv v=…

A:

Q: Hold a pencil in front of your eye at a position where its blunt end just blocks out the Moon (Fig.…

A: The distance between Earth and Moon,   Consider that the diameter of the pencil,   The distance…

Q: In a certain right triangle, the two sides that are perpendicularto each other are 5.00 m and 7.00 m…

A: Let a, b c be the three sides of the triangle.  Third side is the hypotenuse which is not…

Q: A light-year is a unit of distance corresponding to the distance light can travel in a vacuum in 1…

A: a) 1 light year = distance travelled by light in one year. 1 L y = speed of light × 1 year  1 Ly = (…

Q: How many significant figures are there in 0.003048

A: 0.003048

Q: Name three handy units for measuring length ranging from extremely short to very long. What is their…

A: Name three handy units for measuring length ranging from extremely short to very long. What is their…

Estimate of calculation