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ICE Princess25 [194]
3 years ago
15

4) Based on your results, what can you infer about the distribution of

Physics
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

what are the results? Also

Explanation:

The distribution of touch receptors in human skin is not consistent over the body. In humans, touch receptors are less dense in skin covered with any type of hair, such as the arms, legs, torso, and face.  If two points are felt as two separate points, each is in the receptive field of two separate sensory receptors.

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•• Your roommate is working on his bicycle and has the bike upside down. He spins the 60-cm-diameter wheel, and you notice that
Y_Kistochka [10]

Answer:

v=0.57\frac{m}{s}

a_c=10.83\frac{m}{s^2}

Explanation:

We have an uniform circular motion, therefore, the pebble’s speed is given by the distance traveled in a revolution (2\pi r) and the period (T), since this is the time pebble’s takes to complete a revolution:

v=\frac{2\pi r}{T}

The period is inversely proportional to the frequency:

T=\frac{1}{f}

So, we have:

v=\frac{2\pi r}{\frac{1}{f}}\\v=2\pi rf\\

Recall that the radius is the half of the diameter and one revolution per is equal to one Hz:

v=2\pi (30*10^{-2}m)(3Hz)\\v=0.57\frac{m}{s}

The centripetal acceleration is defined as:

a_c=\frac{v^2}{r}\\a_c=\frac{(0.57\frac{m}{s})^2}{30*10^{-2}m}\\\\a_c=10.83\frac{m}{s^2}

6 0
3 years ago
What are two ways in which scientists can show creativity ?
cluponka [151]
Scientists can show creativity by constantly coming up with new ideas and theories to test. There is always something new to think about and scientists can use their imagination in order to create something new and original that the world needs.
6 0
3 years ago
Read 2 more answers
Part A: Determine the wavelength of photons that can be emitted
torisob [31]

Answer:

A  λ = 97.23 nm

, B)   λ = 486.2 nm

, C)  λ = 53326 nm

Explanation:

With that problem let's use the Bohr model equation for the hydrogen atom

          E_{n} = -k e² /2a₀  1/n²

For a transition between two states we have

          E_{nf} -  E_{no} = -k e² /2a₀ (1/  n_{f}² - 1 / n₀²)

Now this energy is given by the Planck equation

         E = h f

And the speed of light is

         c = λ f

Let's replace

      h c / λ = - k e² /2a₀ (1 / n_{f}² - 1 / no₀²)

      1 /  λ = - k e² /2a₀ hc (1 / n_{f}² -1 / n₀²)

Where the constants are the Rydberg constant R_{H} = 1.097 10⁷ m⁻¹

        1 /  λ = R_{H} (1 / n₀² - 1 / nf²)

Now we can substitute the given values

Part A

 Initial state n₀ = 1 to the final state n_{f} = 4

        1 /  λ = 1.097 10⁷ (1/1 - 1/4²)

         1 /  λ = 1.0284 10⁷ m⁻¹

          λ = 9.723 10⁻⁸ m

We reduce to nm

         λ = 9.723 10⁻⁸ m (10⁹ nm / 1m)

         λ = 97.23 nm

Part B

Initial state n₀ = 2 final staten_{f} = 4

       1 /  λ = 1.097 10⁷ (1/2² - 1/4²)

       1 /  λ = 0.2056 10⁻⁷ m

        λ = 486.2 nm

Part C

Initial state n₀ = 3

      1 /  λ = 1,097 10⁷ (1/3² - 1/4²)

       1 /  λ = 5.3326 10⁵ m⁻¹

        λ = 5.3326 10-5 m

        λ = 53326 nm

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3 years ago
How will you separate mixture of metal and nonmetal objects​
mojhsa [17]
I think it’s by using a magnet because metals are magnetic
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3 years ago
A square sheet of rubber has sided that are 20 cm long. If you stretch one side so that it is twice as long. What is the new are
Anika [276]

Answer:ignore this it was wrong

Explanation:

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4 years ago
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