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
ExtremeBDS [4]
3 years ago
6

The engine that moves the cables for the San Francisco cable cars delivers 390.3 kW of power for each line. How long does it tak

e for 6.5 ×10^6 J of work (about the amount of work needed to raise a partially loaded cable car up Nob Hill) to be done by this engine?
Physics
1 answer:
Musya8 [376]3 years ago
5 0

Answer:

It would take 16.7 s for the work to be done by the engine.

Explanation:

From the question, given: Power = 390.3 kW

                                           Work to be done = 6.5 x 10^{6} J

But, power and work done with respect to time, has a relationship of:

Power = \frac{work done}{time}

So that,

time = \frac{work done}{Power}

Thus,

time  = \frac{6.5*10^{6} }{390.3*10^{3} }

       = 16.6539

time = 16.7 s

Time required is 16.7 seconds.

Thus, it would take 16.7 s for the work to be done by the engine.

You might be interested in
If you divide a speed in miles per minute by 60, you get the same speed
Mariulka [41]
Yes so x multiply by the hour but u add 59 for each hour to get the exath speed per minute
6 0
3 years ago
The energy associated with the random motion of molecules or atoms within a substance is
Yuliya22 [10]

Answer:

C

technically B too but youre teachers not that smart so there you go

6 0
3 years ago
Climates on Earth get _____ as you move from the equator to the poles.
andreev551 [17]
The correct answer that would best complete the given statement above would be the last option: COLDER. Climates on Earth get colder <span>as you move from the equator to the poles. The places that are located near or on the equator experience the warmest or the hottest climates such as Africa. Hope this answer helps. </span>
5 0
3 years ago
Read 2 more answers
An object with a mass of 375g is moving with a constant velocity. It has a force of -20 N applied to it. Determine the accelerat
olga55 [171]

Answer:

Explanation:

Convert the mass to kg:

375g = 375/1000kg = 0.375kg

F = ma

-20 = 0.375a

a = -20/0.375

a = -53

The object is accelerating at 53m/s/s backwards assuming that the forward motion is positive.

8 0
3 years ago
Which type of heat transfer causes your face to feel warm when you sit in the sun?
MA_775_DIABLO [31]

Answer:

Radiation

Explanation:

The sun radiates energy to the earth to make it warmer near the equator.

6 0
3 years ago
Other questions:
  • 1) Describe the motions of the moon relative to the Earth and the sun. Explain how this causes us to see phases of the moon, and
    12·1 answer
  • There are clouds forming over Florida. The temperatures in the clouds and in the air are above freezing. Which form of precipita
    5·1 answer
  • Hilda pushes her sofa across the room with a force of 40 N. It accelerates at 2 m/s/s. What is the mass of the sofa?
    6·2 answers
  • A toy car runs off the edge of a table that is 2.225 m high. If the car lands 0.400 m away from the base of the table, how fast
    8·1 answer
  • A constant magnetic field of 0.50 T is applied to a rectangular loop of area 3.0 × 10-3 m2. If the area of this loop changes fro
    12·1 answer
  • Consider a spherical Gaussian surface and three charges: q1 = 1.60 μC , q2 = -2.61 μC , and q3 = 3.67 μC . Find the electric flu
    13·1 answer
  • Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. In a typical strike, the chameleon'
    9·1 answer
  • .
    14·2 answers
  • Water boils at 100°C and turns into steam. Which similarities or differences are there between water in these two states? (1 poi
    11·1 answer
  • if a car is accelerating downhill under a net force of 3674 N, what additional force would cause the car to have a constant velo
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!