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
ale4655 [162]
2 years ago
7

As an example, a 4.00-kg aluminum ball has an apparent mass of 2.10 kg when submerged in a particular liquid: calculate the dens

ity of the liquid.
Physics
1 answer:
azamat2 years ago
6 0

Answer:

1.2825 * 10^3 kg/m³

Explanation:

Given that :

Mass of aluminum ball (m1) = 4kg

Apparent mass of ball (m2) = 2.10 kg

Density of aluminum (d1) = 2.7 * 10^3 kg/m³

Density of liquid (d2) =?

Using the relation :

d1 / d2 = m1 / (m2 - m1)

(2.7 * 10^3) / d2 = 4 / (4 - 2.10)

2700 / d2 = 4 / 1.9

4 * d2 = 2700 * 1.9

4 * d2 = 5130

d2 = 5130 / 4

d2 = 1282.5 kg/m³

Hence, density of liquid = 1.2825 * 10^3

You might be interested in
Explain why a battery causes charge to flow spontaneously when the battery is inserted in a circuit
deff fn [24]
Batteries supply electrons to the circuit by releasing negatively charged atoms or ions. These ions are produced by the batteries through a chemical reaction that spontaneously occurs within the battery. So the negative end of the battery pushes the ions towards the positive end of the circuit with the help of the voltage. This is why eventually, batteries "run out" when the electrode is used up and the chemical reaction can no longer continue.
3 0
2 years ago
Is this right? Please help me ITS SOCIOLOGY
Delicious77 [7]
Yes, this is correct Answer.
7 0
3 years ago
The total capacitance of two 15uF capacitors<br> connected in parallel is
Yuri [45]

The total capacitance of two 15uF capacitors  connected in parallel is <em>30 μF</em> .

7 0
3 years ago
The fundamental frequency of a standing wave on a 1.0-m-long string is 440 Hz. What would be the wave speed of a pulse moving al
Nana76 [90]

Answer: v = 880m/s

Explanation: The length of a string is related to the wavelength of sound passing through the string at the fundamental frequency is given as

L = λ/2 where L = length of string and λ = wavelength.

But L = 1m

1 = λ/2

λ = 2m.

But the frequency at fundamental is 440Hz and

V = fλ

Hence

v = 440 * 2

v = 880m/s

4 0
3 years ago
An electron in a vacuum is first accelerated by a voltage of 81700 V and then enters a region in which there is a uniform magnet
Vilka [71]

Answer:

Magnetic force is equal to 1.37\times 10^{-11}N

Explanation:

We have given electron is accelerated with a potential difference of 81700 volt.

Magnetic field B = 0.508 T

Angle between magnetic field and velocity \Theta =90^{0}

Mass of electron m=9.11\times 10^{-31}kg

Charge on electron e=1.6\times 10^{-19}C

By energy conservation.

\frac{1}{2}mv^2=qV

\frac{1}{2}\times 9.11\times 10^{-31}\times v^2=1.6\times 10^{-19}\times 81700

v=169.4\times 10^6m/sec

Magnetic force on electron

F=qvBsin\Theta

F=1.6\times 10^{-19}\times 169.4\times 10^6\times 0.508\times sin90^{\circ}

=1.37\times 10^{-11}N

8 0
2 years ago
Read 2 more answers
Other questions:
  • A person's height will increase from birth until about age 25, and it may decrease starting at about age 70. This is an example
    6·2 answers
  • The speed of a nerve impulse in the human body is about 100 m/s. If you accidentally stub you toe in the dark, estimate the time
    11·1 answer
  • Long Jump: inital center of mass height of 1.08 m, final center of mass height of 0.42 m, projection velocity of 8.7 m/s, projec
    8·1 answer
  • A negative charge is moving across a room from south to north. A magnetic field runs from east to west. In what direction is the
    12·1 answer
  • A person on a cruise ship is doing laps on the promenade deck. On one portion of the track the person is moving north with a spe
    11·1 answer
  • Classify each of the following chemical reactions. Upper S plus upper O Subscript 2 right arrow upper S upper O subscript 2. Upp
    13·1 answer
  • Imagine an aluminum cup of 0.30 liter capacity filled with mercury at 14.0 degrees C. How much mercury, if any, will spill out o
    14·1 answer
  • When an unbalanced force acts on an object
    7·1 answer
  • Which option BEST describes the position of the Sun, the Moon, and Earth during the new moon phase and the MOST LIKELY effect of
    14·1 answer
  • URGENT!!!!!!!<br><br> PLEASE HELP WITH THIS PHYSICS PROBLEM
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!