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
sergeinik [125]
3 years ago
8

A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.8 cm . its mass is 1.3 kg . calculate the density o

f the metal.express your answer to two significant figures and include the appropriate units.
Physics
1 answer:
evablogger [386]3 years ago
6 0
Density(rho) = m/v
(1.3)/((3.2)(17.1)(3.8))
since density is given in kg/m^3 you should convert the blocks dimensions to meters

1.3/(0.032*0.038*0.171)

plugging in these numbers would give you the density

1.3/0.000208
6250
with sigfigs= 6300kg/m^3
You might be interested in
The closeness of measured values to an accepted value is the BLANK of the data ?
wlad13 [49]
When you refer to how close a measured value is to a standard, accepted or known value, you are talking about the ACCURACY of the data. This is the definition of accuracy when it comes to engineering and other fields of science. 

Accuracy is usually associated or with the term precision, as their definitions are often interchanged.
3 0
3 years ago
The removal of rock in solution by acidic rain water________​
Veronika [31]

Answer:

Solution

Explanation:

Solution is a process in chemical weathering and it is the process of dissolving or removing rock in a solution through the activities of acid rain or solution. Chemical weathering refer to the process where rocks interact with chemical solutions or acid rain which can result in His integration.

3 0
3 years ago
Remy wonders if the height of the mountain has anything to do with the eventual size of the tsunami wave. How should Remy test t
Anna71 [15]

Answer:

<em>The answer is B</em>

Explanation:

<em>I got this from study island</em>

5 0
3 years ago
Aunt Jane weights 45 Newtons. What is her mass?
RUDIKE [14]

Answer:

10.116 Pounds/45 newtons = 10.1164024 pounds/force

Explanation:

Divide the newtons by the rate of acceleration, which will give you the mass of the object. The mass will be in kilograms, because a single newton represents the amount of force needed to move one kilogram one meter. For our example, we will divide 10 N by 2 m/s/s, which give us a mass of 5 kg

8 0
3 years ago
A friend of yours who has not taken an astronomy class looks at your textbook and really likes the picture of the Pleiades, a cl
Andrei [34K]

Answer:

<em>C. the blue colour of the Earth's sky</em>

<em></em>

Explanation:

The Pleiades is a cluster of sister stars that are among the closest star cluster to earth.

The reflection nebula of the Pleiades is due to the scattering of the blue light from the hot blue luminous stars that dominate the star cluster. Th blue light is scattered from dust molecules, thought to be predominantly carbon compound like diamond dusts, and other compounds like iron.

The blue colour of the Earth's sky is the closest terrestrial phenomenon to the reflection nebula. On a clear cloudless day, molecules in the air scatter the blue component of light more than the other component colours of white light, giving the sky its characteristic blue coluor.

The common characteristics of the luminous nebula and the Earth's blue sky is that they both have their light scattered by the presence of small particles.

8 0
3 years ago
Other questions:
  • The velocity of an object includes its speed and
    6·1 answer
  • How many electrons are there in 3.5 x 10" C?
    7·1 answer
  • Which statement best defines energy?
    10·1 answer
  • An object of mass 2.5 kg has a momentum &lt; 3, 6, 7 &gt; kg m/s. At this instant the object is acted on a by a force &lt; 50, 5
    12·1 answer
  • Which kinds of objects emit light? A. objects that shine B. hot objects C. distant objects D. colored objects E. all objects
    15·2 answers
  • Chris shoots an arrow up into the air. The height of the arrow is given by the function h(t) = - 16t2 + 64t + 23 where t is the
    7·2 answers
  • Why does the vertical component of velocity for a projectile change with time, whereas the horizontal component of velocity does
    11·1 answer
  • Which best illustrates projectile motion
    12·2 answers
  • A train moves 80 km/hr and travels for 3.5 hr. How far did it go?
    8·1 answer
  • What is the speed of light in a vacuum?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!