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Verizon [17]
4 years ago
9

Dexter needs to monitor the movement of a rover vehicle on Mars for one year. Which technologies should Dexter use for tracking

purposes? Check all that apply. Telescopes that show where the rover vehicle is located satellites that collect information about rover vehicle distance space stations that store real-time data about rover vehicle speed computer simulations that model how long it takes the rover to get to Mars Doppler radar that records information about weather the rover is exposed to
Physics
1 answer:
Contact [7]4 years ago
4 0

Answer:

  • Satelites that collect information about the rover vehicle
  • Distance space stations that store real-time data about the rover vehicle
  • Doppler radar that records information about weather the rover is exposed to.

Explanation:

The first rover that landed on Mars was the Mars pathfinder (Sojourner) that landed on the 4th of July 1997.In total NASA has sent four rover to Mars.These are

  1. Sojourner
  2. Spirit
  3. Opportunity
  4. Curiosity
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A toroidal coil of N turns has a central radius b and a square cross section of side a. Find its self-inductance.
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Answer:

L = \frac{\mu_0 N^2 (a^2)}{2\pi b}

Explanation:

As we know that magnetic field due to torroid is given as

B = \frac{\mu_0 N i}{2\pi b}

this is approximately constant magnetic field along the axis of the torroid

now the flux linked with one coil of the torroid is given as

\phi = B.A

\phi = \frac{\mu_0 N i}{2\pi b}(a^2)

now total flux of N number of coils is given as

\phi_{total} = \frac{\mu_0 N^2 i(a^2)}{2\pi b}

now we know that self inductance is the property of coil in which flux of the coil will link with the current in the coil

So we know that

L = \frac{\phi}{i}

L = \frac{\mu_0 N^2 (a^2)}{2\pi b}

3 0
3 years ago
Please help, thank you!
VARVARA [1.3K]

gurlll this need way more points

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3 years ago
A person walks 9 meters to the right and 8 meters to the left what's the distance and displacement​
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Two sources emit beams of light of wavelength 550 nm. The light from source A has an intensity of 10 μW/m2, and the light from s
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Answer:

<em>A) Beam B carries twice as many photons per second as beam A.</em>

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If we have two waves with the same wavelength, then their intensity is proportional to their power, or the energy per unit time.

We also know that the amount of photon present in an electromagnetic beam is proportional to the energy of the beam, hence the amount of beam per second is proportional to the power.

With these two facts, we can say that the intensity is a measure of the amount of photon per second in an electromagnetic beam. So we can say that <em>beam B carries twice as more power than beam A, or Beam B carries twice as many photons per second as beam A.</em>

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