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
Burka [1]
3 years ago
11

A cork is held at the bottom of a bucket of water by a piece of string. The actual depth of the cork is 0.6 m below the surface

of the water. The density of water is ρ = 1000 kg/m3 and the acceleration of gravity is g = 9.8 m/s2 . 0.6 m If the density of the cork is 150 kg/m3 and the volume of the cork is 2 cm3, then what is the tension in the string?
Physics
1 answer:
Zigmanuir [339]3 years ago
4 0

Answer:

tension on the string will be 0.0167 N

Explanation:

ρ = 1000 kg/m³

density of the cork = 150  kg/m³

volume of the cork = 2 cm³

tension on cork (T)  will be acting in down ward direction.

buoyant force (Fₙ) will act in upward direction.

and weight (W) will act in downward direction.

T = Fₙ - W

T= \rho Vg- mg\\T=\rho V_{cork} g - \rho_{cork} V_{cork}g\\T=1000\times 2\times 10^{-6}\times 9.81 - 150\times 2\times 10^{-6}\times 9.81\\ T= 0.0167 N

hence tension on the string will be 0.0167 N

You might be interested in
How do you find distance from average velocity and time
AlekseyPX

Answer:

Calculate the total distance travelled by the object - its motion is represented by the velocity-time graph below.

Here, the distance travelled can be found by calculating the total area of the shaded sections below the line.

½ × base × height.

½ × 4 × 8 = 16 m 2

(10 – 4) × 8 = 48 m 2

Explanation:

7 0
2 years ago
Long wavelength corresponds to having _________frequency
Vladimir [108]
Long wavelength corresponds to having lower frequency
4 0
3 years ago
Read 2 more answers
A classroom has 24 fluorescent bulbs, each of which is 32 W. how much energy does it take to light the room for a minute?(unit=J
cestrela7 [59]

Answer:

Energy= 46.08KJ

Explanation:

Given that the power needed to light each bulb is 32W

We know that Power = \frac{energy}{time}

The energy needed to light one bulb=power*time

Given time = 1minute = 60 seconds

Energy = 32W*60sec=1920J

Therefore energy needed to light one bulb is 1920J

The energy needed to light 24 bulbs = 1920*24 =46080J=46.08KJ

3 0
3 years ago
Read 2 more answers
What are 3 major areas of society affected by science
cestrela7 [59]

Answer:

Science and technology have had a major impact on society, and their impact is growing. By drastically changing our means of communication, the way we work, our housing, clothes, even the length, and quality of life itself, science has generated changes in the moral values and basic philosophies of mankind.

Explanation:

3 0
3 years ago
A car was moving at 14 m/s After 30 s, its speed increased to 20 m/s. What was the acceleration during this time ( need help fas
Arada [10]

Answer:let initial velocity u=14m/s

Final velocity v=20m/s

Time taken t=30

Acceleration =a

V=u +at

a= (20-14)/30

a=0.2m/s^2

Explanation:

Acceleration is the change in velocity with respect to time.

7 0
3 years ago
Other questions:
  • In baseball, the defensive team would be the team up to bat True False
    5·2 answers
  • In nature, hot air tends to rise and cool air tends to sink. This is behind the concept of convection heating that is used in ov
    8·2 answers
  • Which is an organic compound? Sample b contains cesium and chlorine, sample a contains carbon, hydrogen, and oxygen, or sample c
    6·2 answers
  • The pH of pure water at 25°C is 7.0. The enthalpy change of the autoionization of water is +55.89 kJ/mol. What is the pH of pure
    9·1 answer
  • A 72.0-kg object hits the ground at a velocity of 79.0 m/s. Neglecting air resistance, which relationship allows you to calculat
    9·1 answer
  • What erases the impact craters on earth and is responsible for most of the landforms that we see?
    14·1 answer
  • A rectangular solid made of carbon has sides of lengths 1.0 cm, 2.0 cm, and 4.0 cm, lying along the x, y, and z axes, respective
    15·1 answer
  • An automobile accelerates from rest at 2.0 m/s2 for 20 s. The speed is then held constant for 20 s, after which there is an ac-
    10·1 answer
  • El extremo de una cuerda se mueve de tal manera que las partículas de la cuerda emplean 0.25 segundos para producir una vibració
    6·1 answer
  • What does that mean?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!