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
inysia [295]
2 years ago
8

Help please I really need this​

Physics
1 answer:
My name is Ann [436]2 years ago
3 0

Answer:

Explanation:

Height(h) = 4m; depth of the half filled tank 4m/2 =2m

Acceleration due to Gravity (g)=9.8m/s^2

Density (d)=1000kg/m^3

Pressure = hdg

Pressure = 2m × 9.8m/s^2 × 1,000kg/m^3

Pressure = 19,600Pa

You might be interested in
The diameter of Earth (to two significant figures) is 7900 miles. Calculate its circumference.
Bess [88]

Answer:

The circumference of the Earth is 24818.58 miles

Explanation:

Analysis conceptual : The formula of the circumference is the following:

L= π*D Formula (1)

Where:

L : is the length of the circumference in miles (mi)

π : is the constant

D : is the diameter of the circumference in miles (mi)

Known data

π = 3.1416

D= 7900 miles:  Diameter of the Earth

Problem development

We apply the formula 1 to calculate the circumference of the Earth  (L):

L= π*7900 miles

L= 24818.58 miles

8 0
4 years ago
To boil water it requires heat , what happens to the heat when the water cools down as energy can neither be destroyed nor be cr
skelet666 [1.2K]

Answer:

Explanation:

The water particles just flow through each other. They cannot be destroyed nor created.

4 0
3 years ago
Read 2 more answers
A convex mirror has a focal length of -10.8 cm. An object is placed 32.7 cm from the mirror's surface. Determine the image dista
KonstantinChe [14]

Answer:

-353.16

Explanation:

4 0
3 years ago
What's the name of the compound Kl?
Nat2105 [25]

Answer: Potassium iodide

Explanation: their you go

3 0
2 years ago
Read 2 more answers
If an engine does 660 J of work in 10 seconds, its average power is ...
givi [52]

Answer:

66w

Explanation:

p=w/t

p=660/10

p=66

prolly a bad explanation but hope it helps...

4 0
3 years ago
Other questions:
  • As Luke rides his bike down a hill, potential energy is converted to kinetic energy. What is this an example of?
    12·1 answer
  • At what distance is the electrostatic force between two protons equal to the weight of one proton?
    10·1 answer
  • If an object has a mass of 50 kg and is accelerating at 2m/s/s, what is the force it will exert?
    14·1 answer
  • Est ce qu’un cricket c’est un consommateur
    10·1 answer
  • According to the law of conservation of matter, which statement about chemical reactions is true?
    14·1 answer
  • Les
    9·1 answer
  • Please Help Me!!!!!!​
    6·1 answer
  • Describe how the movements of earth might affect the movement of air masses in North America
    7·2 answers
  • Help with this question please.
    10·1 answer
  • When two surfaces interact, some mechanical energy leaves the system as thermal energy due to ________.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!