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
GaryK [48]
3 years ago
14

Its volume is 20 cm3, and its mass is 100 grams. What is the sample’s density?

Physics
1 answer:
steposvetlana [31]3 years ago
3 0
Well the density is mass/volume
100/20 = 5
The density is 5
You might be interested in
If the voltage output of a digital manifold absolute pressure (MAP)sensor is 2 volts, the approximate engine vacuum is _______ i
LenaWriter [7]
The correct answer to this question is 15
3 0
3 years ago
In a binary star system, an unseen component is found to have 8 solar masses. It would be visible if the system were a normal st
maksim [4K]

Answer:

Black Hole

Explanation:

A black hole is a very dense and massive stellar object, which has a field of gravity so large that not even light can escape it.

Since it does not emit light, <u>we cannot see them directly</u>, hence the name of black hole.

So in this case,<u> if the object has a mass of 8 solar masses that is enough to form a black hole</u>, and <u>also cannot be seen</u>, all of this indicates that the object we are talking about is a black hole.

It should be mentioned that although these objects do not emit light, because it cannot escape due to the immense force of gravity, black holes can be detected by a type of radiation emitted on their event horizon due to quantum effects called Hawking radiation .

5 0
3 years ago
A suspended object A is attracted to a charged object B, can one conclude that A is charged? Explain
irinina [24]

Explanation:

In my view, when the Object A is attracted to a Charged object B. Object B should be Negatively or Positively charged. So Object B should be the Opposite charged according to the Object B

Example =

If Object B is Negatively Charged, the Object A should be Positively Charged

If the Object B is Positively Charged, the Object A should be Negatively Charged

Sometimes it can Mix as a Neutral as well

Hope this Helps

5 0
3 years ago
True or False: The average atomic mass is always closer to the isotope with the largest mass
svlad2 [7]
The awnser would be True. Hope I helped!
3 0
3 years ago
If the angular velocity of the pully is -8.4rad/s at a given time, and its anglar acceleration is -2.8rad/s2, what is the angula
snow_lady [41]

Here we know that

\omega_i = - 8.4 rad/s

\alpha = - 2.8 rad/s^2

t = 1.5 s

now from kinematics we have

\omega_f = \omega_i + \alpha t

now from above all values we have

\omega_f = (-8.4 rad/s) + (-2.8 rad/s^2)(1.5)

\omega_f = -8.4 + (-4.2)

\omega_f = -12.6 rad/s

so final angular speed is -12.6 rad/s

6 0
3 years ago
Other questions:
  • PLEASE help me!!! ASAP!! Ill mark you as brainliest!!!!
    9·1 answer
  • Help!! Thank You!! Potassium has 19 protons. How many electrons does a neutral potassium atom have?
    8·2 answers
  • A tortoise and the hare are racing if the tortoise is traveling a speed of 112 cm/s and the hare is running 2 m/s which one is m
    12·1 answer
  • Parallax error occurs when the observer records data when he/she is at an angle to the event he/she is observing. Where do you t
    13·1 answer
  • An amusement park ride raises people high into the air, suspends them for a moment, and then drops them at a rate of free-fall a
    13·2 answers
  • forces F1 (east) and F2 are simultaneously applied to a 3.0kg mass. when F2 is east, a=5.0m/s² east and when F2 is west a=1.0m/s
    5·1 answer
  • What is Einstein's theory of realtivity?
    8·2 answers
  • In Science class, a student has been given a small ball that has a string attached to it
    12·1 answer
  • A cat chases a mouse until the cat gets tired. A graph of the cat's velocity over time is shown below. Velocity 8+ 6+ 9+ 2 Time
    12·2 answers
  • Sally and Suzy are moving into their first college dorm together. They are loading all their furniture onto a truck with a ramp
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!