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tangare [24]
3 years ago
14

Plz help!!!!!!!!!!!!!!!!!!!

Physics
1 answer:
DIA [1.3K]3 years ago
4 0
V= d/t, The answer is 0.83 km/m.
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The luxury liner Queen Elizabeth 2 has a diesel-electric powerplant with a maximum power of 84 MW at a cruising speed of 35.0 kn
frosja888 [35]

Answer:

F = 4669.201\,kN

Explanation:

Maximum speed is get at maximum power. Let assume that ship travels at constant speed, the expression for power is equal to:

\dot W = F\cdot v

Where F and v are the forward force and speed of ship measured in newtons and meters per second, respectively.

The forward force can be determined by clearing it in the expression described above:

F = \frac{\dot W}{v}

F = \frac{84\times 10^{3}\,kW}{(35\,knots)\cdot \left(\frac{0.514\,\frac{m}{s} }{1\,knot} \right)}

F = 4669.201\,kN

4 0
3 years ago
Read 2 more answers
The slow coning pattern of the spin axis of the Earth's precession will move the end of this axis in a complete circle in a peri
GREYUIT [131]

Answer:

26000 years

Explanation:

Precession describes the angular motion of the Earth's body. Since the attitude of telescopes relative to the Earth's body can be controlled with high accuracy, and telescopes can measure the direction of incoming light also with high accuracy, the motion of Earth is under permanent high precision monitoring. Thus the basic numerical descriptor of precission, an angular rate of 5029.0966 seconds of arc per Julian century, traditionally denoted p (for precession) is a measured value from observed coordinate changes of thousands of stars over, say, two centuries. The understanding of this value in terms of forces acting on an oblate Earth from the Moon is well understood so that an extrapolation back and forth over a few full cycles contains little uncertainties. Of course, you can find details on the coordinate transformations mentioned above (the direct observational effect of precession) on the net. I was surprised to see that the Wikipedia article on precession covers the astronomical aspect very poorly. You thus better look for other sources.

3 0
4 years ago
All neutron stars are things that produce intense gravity. All neutron stars are extremely dense objects. Therefore, all extreme
nika2105 [10]

Answer:

Major term is 'things that provide intense gravity'

Minor term is 'extremely dense objects'

Middle term is 'neutron stars'

Explanation:

  • Major term is given by the predicate part of the conclusion
  • Minor term is given by the subject part of sentence in conclusion
  • Middle term is given by the subject part and not the conclusion

6 0
4 years ago
Which of the following is not an intensive physical property?
Alex Ar [27]

Answer;

-Mass

Explanation;

-An intensive property is a physical quantity whose value does not depend on the amount of the substance for which it is measured. For example, boiling point, density, color, melting point, Odor, temperature, etc.

-Extensive properties on the other hand, do depend on the amount of matter that is present. An extensive property is considered additive for subsystems. Examples of extensive properties include: volume, mass, size, weight. length, etc.


5 0
4 years ago
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For a charged solid metal sphere with total charge Q and radius R centered on the origin: Select "True" or "False" for each stat
mario62 [17]

Answer:

the answer is true

Explanation:

7 0
3 years ago
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