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
Sergeu [11.5K]
2 years ago
13

Please help me, it's a simple equation

Physics
1 answer:
castortr0y [4]2 years ago
3 0

Because the elevator moves at a constant speed, it's in equilibrium and the net force acting on it is zero. Then the tension in the cable exactly equals the magnitude of the elevator's weight, which is

(3000 kg) (9.80 m/s²) = 29,400 N

You might be interested in
You measure a watch's hour and minute hands to be 7.4 mm and 12.1 mm long, respectively. Part A In one day, by how much does the
pychu [463]

Answer:

109.385m

Explanation:

In 1 day, the hour hand travels 2 circles, or 4π rad in angular. The distance it travels is its angle times the radius

7.4 * 4π = 93 mm

In 1 day, the minute hand travels 24*60 = 1440 circles, or 1440 * 2π = 2880π rad in angular. The distance it travels is

12.1 * 2880π = 109478 mm

So the distance traveled by the tip of the minute hand that exceed the distance traveled by the tip of the hour hand is

109478 - 93 = 109385 mm or 109.385 m

3 0
3 years ago
What is the meaning of the word solar in the article "Fire Up the Sun"?
SpyIntel [72]

Answer:

B) Caused by the Sun

Explanation:

If you look at a picture of a solar system, you will see the sun in the middle. The sun is the powerhouse of the solar system. So that means that the sun is the biggest star and can provide enough light to reach earth and keep it lit.

4 0
2 years ago
19. Determine the final state and its temperature when 150.0 kJ of heat are added to 50.0 g of water at 20 ºC. (Specific heat of
8090 [49]

The amount of energy to reach the boiling point is 50*80*4.184 J=16,736J. To pass the boiling point, 40.79*\frac{50}{18.02}kJ=113,180J are necessary (18.02 is the molar mass of water). This means that 150kJ-113.180kJ-16.736kJ=20,084J are left. This allows the steam to heat another \frac{20,084}{50*1.99}=201.8^{\circ}C. Therefore, it ends as steam at temperature 100^{\circ}C+201.8^{\circ}C=301.8^{\circ}C

6 0
3 years ago
The first outside orbit of Earth planet is <br>a Jupiter <br>b Mars <br>c Saturn <br>d uranus​
Naya [18.7K]

Answer:

I think B, Mars.

Hope this helped!

7 0
3 years ago
What is the resultant of the two vectors shown?
Ksju [112]

Answer

correct answer is C

Head-to-tail method

Here head-to-tail method is employed to determine resultant of vectors.

Let horizontal component be 1 and let vertical component be 2

To add these two vectors. Move vector 2 until its tail touches the head of 1. The tail of resultant of these two vectors touch the tail of vector 1 and head of resultant vector will touch the head of vector 2.

6 0
2 years ago
Read 2 more answers
Other questions:
  •  Will mark as Brainliest!! If possible, Please check these!!! Quiz and I need to pass!!! If you see anything wrong from my answe
    7·2 answers
  • Communications satellites are placed in orbits so that they always remain above the same point of the earth's surface.A Part com
    8·1 answer
  • Where does most of earths available carbon come from
    6·1 answer
  • work done as mass 1 moves to mass 2. the gravitational force between two point masses separated by a distance r is proportional
    7·1 answer
  • Suppose the stone is thrown at an angle of 39.0° below the horizontal from the same building as in the Example above. If it stri
    12·1 answer
  • How many simple machines are in a wine opener? The kind with the bottle opener at the head and two "arms."
    8·2 answers
  • To understand the first law of thermodynamics and its origin. By relating heat, thermal energy, and work, the first law lays the
    14·1 answer
  • Which chemical equation represents a decomposition reaction? HELP ASAP!!!!
    15·1 answer
  • Which best describes a characteristic of an adiabatic process?
    7·2 answers
  • If the strings have different thicknesses, which of the following parameters, if any, will be different in the two strings?.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!