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vekshin1
3 years ago
6

A car with a mass of 1,200 kg travels a distance of 150 m as it moves from

Physics
1 answer:
vfiekz [6]3 years ago
4 0

Answer: A

Explanation: JUST DID IT ON APEX

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Aktiviti ( 6<br>b) Bina ayat menggunakan penjodoh bilangan berdasarkan<br>situasi di bawah.<br><br>​
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3 years ago
If you lived on the Moon, would you see Earth go through phases? If so, would the sequence of phases be the same as those of the
marissa [1.9K]

Answer:

yes; yes

Explanation:

Phases of the moon refers to the shapes of the moon due to the lit part of it visible from the Earth. On a new moon day, the moon comes between the sun and the earth such that the lit portion is not visible from the Earth. On a full moon day, the earth comes between the sun and the moon and the whole lit part is visible.

When one would view the earth from the moon, the earth would also be visible as going through the phases. The order would be reversed. Understand this with the following example, On a new moon day, the Earth would be visible completely lit from the moon. So it will be full Earth day on the moon. On a full moon day, the lit side of the Earth would be completely away and hence, from the moon, new earth would be there.

8 0
3 years ago
The magnitude of the Poynting vector of a planar electromagnetic wave has an average value of 0.939 W/m2. The wave is incident u
Hatshy [7]

Answer:

The  total energy is  T  =  169.02 \ J

Explanation:

From the question we are told that

    The  Poynting vector (energy flux ) is  k  =  0.939 \ W/m^2

    The length of the rectangle is  l  =  1.5  \ m

    The  width of the rectangle is  w =  2.0 \ m

    The time taken is t  =   1 \ minute  =  60 \ s

The total electromagnetic energy falls on the area is mathematically represented as

      T  =  k  *  A  *  t

Where A  is the area of the rectangle which is mathematically represented as

           A= l *  w

 substituting values

         A= 2 * 1.5

        A=  3 \ m^2

substituting values

        T  =  0.939 *  3 *  60

        T  =  169.02 \ J

5 0
4 years ago
The critical angle in air for a particular type of glass is 39.0°. What is the speed of light in this class glass? (c = 3.00 × 1
hodyreva [135]

Answer:

speed of light in glass ≈ 1.89*10^{8}m/s

Explanation:

refractive index (n) =\frac{1}{sinC}            .......................equation 1

refractive index (n) = velocity of light in air/ velocity of light in medium  ....equ2

equate equation 1 and two;

\frac{1}{sinC} = \frac{c}{speed of light in glass}

speed of light in glass = c*sinC

                            =3*10^{8}*sin39°

speed of light in glass = 188,796,117.314 m/s

speed of light in glass ≈ 1.89*10^{8}m/s

7 0
3 years ago
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