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Andreas93 [3]
3 years ago
5

Is a clock a periodic motion

Physics
1 answer:
LenKa [72]3 years ago
3 0

Answer:The pendulum of a clock swings back and forth in a very steady manner. When a new passenger gets in, a canoe will rock back and forth. We can call all these motions vibrations or oscillations. All these systems, and more, are examples of periodic motion.

Explanation:

Yes, IT IS periodic motion

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Why is sky blue and why moon appear in daytime​
Elena L [17]

Answer:

The sky is blue because of the tiny molecules in the air and we see the moon in the day because the light of the sun is reflecting off the moon

Explanation:

Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. Closer to the horizon, the sky fades to a lighter blue or white.

We can see the moon during the day for the same reason we see the moon at night. The surface of the moon is reflecting the sun's light into our eyes. ... "When we see the moon during the day it's because the moon is in the right spot in the sky and it's reflecting enough light to be as bright, or brighter, than the sky."

4 0
3 years ago
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What does gravitational potential energy depend on
Alex17521 [72]

may i ask your answer soloutions... and i believe that the correct answer is mass


6 0
3 years ago
What happens if you go through a black hole ?
devlian [24]

Explanation:

The intense gravity of the black hole would pull you apart, separating your bones and muscles.

7 0
3 years ago
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Part A : A cylindrical water tank 10cm high and 520cm in diameter is filled with solution with a density of 0.75 g/cm^3
lisov135 [29]

Answer: 0.1066\ psi, 15.611\ kN

Explanation:

Given

the height of the tank is h=10\ cm

The diameter of the tank is d=520\ cm

Density of solution \rho=0.75\ g/cm^3\ or\ 750\ kg/m^3

(a) Water pressure at the bottom of the tank is

P=\rho gh\\P=750\times 9.8\times 0.1\\P=735\ Pa

1\ Pa=0.000145038\ psi

\Rightarrow P=735\ Pa\ or\ 0.1066\ psi

(b) \text{Average force on the bottom is the product of pressure and area of the base}

F_{avg}=735\times \pi \cdot (\frac{520}{200})^2\\\\F_{avg}=735\times 3.142\times 6.76\\F_{avg}=15,611.34\ N\ or\ 15.611\ kN

6 0
3 years ago
The Earth's magnetic field is approximately 0.5 Gauss. What is the magnetic energy density of this field
ser-zykov [4K]

Answer:

The  magnetic energy density  is  E_B  =  9.95 *10^{-4} \  J/m^3

Explanation:

From the question we are told that  

    The  earths magnetic field is  B  =  0.5 \  Gauss

Now

          1 \ Gauss  \to  1 *10^{-4} \ T

=>        0.5  \ Gauss  \to  x T

So  

          x =  \frac{0.5 *  1*10^{-4}}{1}

          x = B= 5.0 *10^{-5} \  T

Generally the magnetic energy density is  mathematically represented as

        E_B  =  \frac{B^2}{ 2 *  \mu_o  }

  Here \mu_o is the  permeability of  free space with a constant value

          \mu_o  =  4\pi * 10^{-7} N/A^2

substituting values for equation above  

       E_B  =  \frac{(5*10^{-5})^2}{ 2 *   4\pi * 10^{-7}  }

       E_B  =  9.95 *10^{-4} \  J/m^3

5 0
3 years ago
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