1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lina2011 [118]
3 years ago
8

A large piece of jewelry has a mass of 132.6 g. a graduated cylinder initially contains 48.6 ml water. when the jewelry is subme

rged in the graduated cylinder, the total volume increases to 61.2 ml. (a) determine the density of this piece of jewelry. (b) assuming that the jewelry is made from only one substance, what substance is it likely to be
Physics
1 answer:
Lerok [7]3 years ago
4 0

The density of the substance is<u> 10.5 g/cm³.</u>

The jewelry is made out of <u>Silver.</u>

Density ρ is defined as the ratio of mass <em>m</em> of the substance to its volume V<em>. </em> The cylinder contains a volume <em>V₁ of water</em> and when the jewelry is immersed in it, the total volume of water and the jewelry is found to be V₂.

The volume <em>V</em> of the jewelry is given by,

V=V_2 -V_1

Substitute 48.6 ml for <em>V₁ </em>and 61.2 ml for V₂.

V=V_2 -V_1\\ =61.2 ml -48.6 ml\\ =12.6 ml

calculate the density ρ of the jewelry using the expression,

\rho =\frac{m}{V}

Substitute 132.6 g for <em>m</em> and 12.6 ml for <em>V</em>.

\rho =\frac{m}{V}\\ =\frac{132.6 g}{12.6 ml} \\ =10.5 g/ml

Since 1 ml=1 cm^3,

The density of the jewelry is <u> 10.5 g/cm³.</u>

From standard tables, it can be seen that the substance used to make the jewelry is <u>silver</u><em><u>, </u></em>which has a density 10.5 g/cm³.



You might be interested in
Caleb is often described as absent-minded or forgetful. He would likely benefit from
Bumek [7]

Answer:

Getting rid of outdated information from the brain.

Explanation:

In the brain, storing and losing memory are two important things in selecting and holding relevant information. Forgetting is a way of dealing with unneeded information in the brain thus absent minded individuals have an improved brain flexibility because their brain removes unwanted and unnecessary information regularly.

5 0
3 years ago
Why are springs made of steel and not of copper.​
torisob [31]

Answer:

Springs are made of a variety of materials including copper and various forms of steel. The most common is high carbon steel as it is cheap, easy to work and a couple of other important properties.

Copper springs exist as well, but copper is more expensive than steel. However, in an environment where corrosion resistance is important, copper springs are a good alternative.

Explanation:

8 0
3 years ago
Read 2 more answers
A 2.2kg block of ice slides across a rough floor. Its initial velocity is 2.5m/s and its final velocity is 0.50m/s. How much of
kirill [66]

Answer:A 2.2kg block of ice slides across a rough floor. Its initial velocity is 2.5m/s and its final velocity is 0.50m/s. How much of the ice block melted as a result of the work done by friction? (Latent Heat of water is 3.3*10^5J/kg)

Explanation:

7 0
3 years ago
A space shuttle travels around the Earth at a constant speed of 28000 kilometers per hour. If it takes 90 minutes to complete on
riadik2000 [5.3K]

Answer:

Explanation:

14

8 0
2 years ago
Which of the following is NOT a characteristic of noble gases? *
statuscvo [17]

Answer:

solid at room temperature

Explanation:

they are unreactive

3 0
2 years ago
Other questions:
  • Watt, which is a unit of power, is equal to ____ a) a joule divided by a second b) a joule times a meter c) a joule times a seco
    7·2 answers
  • If you have 500 g of water at 25oc and wish to heat it to 74o c, what is the specific heat of water
    14·1 answer
  • What would decrease the resistance of wires carrying an electric current
    5·2 answers
  • Max is gearing up for her lacrosse match. What safety measures can help Max stay safe for the big event?
    10·1 answer
  • How strong is the attractive force between a glass rod with a 0.700μC0.700μC charge and a silk cloth with a –0.600μC–0.600μC cha
    7·1 answer
  • If the atomic weight- # of protons = # of neutrons, then how many neutrons does neon have?
    7·1 answer
  • Un automóvil que va a 36Km/h acelera durante 8segundos hasta llegar a una velocidad de 108 Km/h y luego frena hasta detenerse en
    9·1 answer
  • If you cannot exert enough force to loosen a bolt with a wrench, which of the following should you do?
    8·1 answer
  • Q3. Recall the equation that links gravitational field<br> strength, mass and weight
    7·1 answer
  • a car with a mass of 2,00 kg travels a distance of 400 m as it moves from one stoplight to the next . as its fastest , the car t
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!