The Earth has a diameter of approximately 12742 km and a mass of approximately 5.972 × 1024 kg. Assuming the Earth to be a sphere and approximately made from a unifom material, find the average density of the Earth. (State your answer to an appropriate number of significant figures.) (a) 6.467x105 kg m³ (b) 5.513x1012 kg m³ High confidence level |Low confidence level (d) 689.2 kg m³

The Earth has a diameter of approximately 12742 km and a mass of approximately 5.972 × 1024 kg. Assuming the Earth to be a sphere and approximately made from a unifom material, find the average density of the Earth. (State your answer to an appropriate number of significant figures.) (a) 6.467x105 kg m³ (b) 5.513x1012 kg m³ High confidence level |Low confidence level (d) 689.2 kg m³

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Related questions

Q: 9.E. You want to paint a wall in your room measuring 14 feet x 9 feet with a thickness of 1…

Q: You measure the diameter of a drop of water to be 3 mm. Make an order-of-magnitude estimate of how…

Q: sent each of the following combinations of units in the correct Sl form: (a) lum (o) Niks? and (d)…

A: We know prefixes:- giga (G) = 109 micro (µ) = 10-6 kilo (k) = 103

Q: You have an 18-carat gold coin (an alloy of gold and copper). Its mass is 6 grams. Using the fact…

A: Given: Mass of gold coin =6 grams Density of pure gold =19300 kg /m3 Density of copper =8960 kg /m3

Q: person's blood pressure is measured to be 129±8 mm Hg.129±8 mm Hg. What is the percent uncertainty?…

A: Pressure P = 129±8 mmWe need to determine percentage uncertainity.

Q: (a) A pyramid has a height of 461 ft and its base covers an area of 12.0 acres (see figure below).…

Q: A chemist who wished to verify the density of water constructed a cylindrical container of aluminium…

Q: roller coaster FAHAD for a-c ignore friction a) at which point is the Potential energy the greatest…

Q: Water has a density of 1.00 Mg/m3. What is the density expressed in imperial units? Express your…

A: To convert the density of water from metric units (Mg/m^3) to imperial units (slugs/ft^3), you can…

Q: A student is attempting to determine the total volume of water in two identical aquarium tanks, both…

Q: Although aluminum foil is very thin, it does have some thickness. We cannot typically “measure” the…

A: The volume of the cuboid = length×width×height Length and width are given but height is not given…

Q: Suppose 1.5 cubic meter of oil is spilled into the ocean. Find the area of the resulting slick,…

A: Finding the total area occupied by the spilled oil.Given information:The volume of the oil spilled…

Q: The measurement error is defined as AX=X-Xo where Xo is the true value of a physical quantity. X is…

A: The true value of the physical quantity is X0 and the measured value of physical quantity is X.…

Q: The diameter of the spherical particle is (1.900x10^O) fm, and the mass is (2.51x10^-27) kg.…

A: Formula of density is as follow; ρ=mV…

Q: The (volume) density of an object is its mass divided by its volume. This is typically expressed…

Q: Working the answers from the previous question, what would be the relative uncertainty of the area?…

A: Given: Length of the wooden board L=35.7 cm Width of the wooden board W=28.6 cm Uncertainty in…

Q: The circumference of a sphere was measured to be 72 cm with a possible error of 0.5 cm. Use linear…

A: Given Circumference of a sphere= 72 cm Maximum error = 0.5 cm

Q: Assume it takes 6.95 minutes to fill a 40.0 gal gasoline tank. (1 U.S. gal = 231 in.3) (a)…

A: (a) Rate in terms of gallons per second Q=Vt=40.0 gal6.95 min60 s1 min=0.0959 gal/s

Q: A car engine moves a piston with a circular cross section of 7.800 ± 0.009 cm diameter a distance of…

A: ³V=154.262862cm³Average volumeπ²V=πr²h r=7.8cm h=3.23cmπ²V=π(3.9)²(3.23)³V=154.262862cm³

Q: Volume (ml) Pression (kPa) 1/Pression (kPa") 20 96.6826 18 105.9603 16 115.7262 14 127.4453 12…

A: V(ml) Pression(kPa) 1/Pression(kPa-1) Constant k PV (l.Pa) 20 96.6826 0.010343…

Q: b) The period of a pendulum is the time t it takes the pendulum to swing back and forth once. If the…

A: The equation of motion for a simple pendulum is:θ¨=glθ Therefore, the angular frequency is:ω=glAnd…

Q: 9. Grains of California beach sand are approximately spheres with a radius of, on average, 50 µm.…

A: 9. Let the given grain’s radius be denoted by R and let the given cube’s side length be denoted by…

Q: You've been asked to calculate the mass of a conical pile of sawdust measuring 10 meters high with a…

A: Solution:- We are given with height of a conical pile of…

Q: The density of wate 8395 9/cm". Buring experimentation, you determine the density of water to be…

Q: A rod of length 24.00 cm has linear density (mass per length) given by λ = 50.0 + 24.5x where x is…

A: length, L=24 cmλ=50+24.5x

Q: a be Your Answer: C6 C₂ x10 C3 C5 In the figure C₁ = 12 μF, C₂ = 14 μF, C3 = 18 μF, C4 = 18 μF, C5 =…

Q: An open metal bucket is in the form of a frustum cone with a height of 21 cm and a radii of its…

A: Given Frustum cone height, h= 21 cm Upper end radius , R = 20 cm Lower end radius , r = 10 cm…

Concept explainers

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

The Earth has a diameter of approximately 12742 km and a
mass of approximately 5.972 × 1024 kg. Assuming the Earth to
be a sphere and approximately made from a unifom material,
find the average density of the Earth. (State your answer to an
appropriate number of significant figures.)
(a) 6.467x105 kg m³
(b) 5.513x1012 kg m³
High confidence level
|Low confidence level
(d) 689.2 kg m³

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in room temperature. Using those numbers, answer the following questions: a) What is the mass of a single gold atom in kg? b) Assume that gold atoms sit in a perfect cubic crystal structure. Estimate the distance between two gold atoms in meters. c) If we have a gold cube of 6 cm on each side, how many atoms can we fit along the edge of each side of the cube? d) What would be the mass, in kilograms, of the gold cube we discussed in part (c) (measuring 6 cm on each side)?
Pls help me answer this with solution
The radius of an atom of gold (Au) is about 1.35 Å. How many gold atoms would have to be lined up to span 4.0 mm? Express your answer using two significant figures.
(a) How many significant figures are in the numbers 999.0 and 1000.0? 999.01000.0 (b) If the uncertainty in each number is 10, what is the percent uncertainty in each? (Give your answer to 4 significant figures.) 999.0 %1000.0 % (c) Which is a more meaningful way to express the accuracy of these two numbers, significant figures or percent uncertainties?
Now you will use the ruler to measure the dimensions of a block of pure aluminum metal. Make sure you report both the uncertainty and an estimated digit with your answers. V [ Select ] 1 21 1.5 cm +/- .1 cm cm 1.38 cm +/- .01 cm What is the best measurement of the length of this block? 1.35 cm +/- .01 cm 1.3 cm +/- .1 cm 1.40 cm +/- .05 cm
The density of ordinary air is 1.19 g/L. What is the mass, in kilograms, of the airin a room that measures 14.5 ft x 16.5 ft x 8.0 ft?(Hint: Density is defined as d= m/v, so you need to find the volume of the roomand solve for the mass in the density equation. Make sure you do the appropriateconversions to carry out your operations. Use the correct number of significantfigures to express your answer).
- Your answer is partially correct. A partly-full paint can has 0.515 U.S. gallons of paint left in it. (a) What is the volume of the paint, in cubic meters? (b) If all the remaining paint is used to coat a wall evenly (wall area = 12.1 m²), how thick is the layer of wet paint? Give your answer in meters. (a) Number i 1.949 (b) Number i 312.1 Units Units m^3 m^2
1)A grocery store sells 5-lb bag of apples. A customer bought apples weekly and made a record of his purchases: The weighing scale in the grocery store has an uncertainty of 10.3 lb. The customer obtained the following measurements: Week 1: weight is 4.8 Ib Week 2: weight is 5.3 lb Week 3: weig is 4.9 Ib Week 4: weight is 5.4 lb What is the Percent Uncertainty of the bag's weight?
Assume it takes 9.00 min to fill a 35.0-gal gasoline tank. (1 U.S. gal = 231 in.³) (a) Calculate the rate at which the tank is filled in gallons per second. gal/s (b) Calculate the rate at which the tank is filled in cubic meters per second. m³/s (c) Determine the time interval, in hours, required to fill a 1.00-m³ volume at the same rate. (1 U.S. gal = 231 in.³)
b) In an equation (P+) (V - b) = RT, where P is the pressure, V is the volume, T is the temperature and a, b, R are constants. What is the dimensional formula of ?
What, roughly, is the percent uncertainty in the volume of a spherical beach ball of radius r = 0.8460.04 m?
Needs Complete typed solution with 100 % accuracy.