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Basile [38]
3 years ago
15

The law of reflection states that if the angle of incidence is 39 degrees, the angle of reflection is ___ degrees.

Physics
1 answer:
marishachu [46]3 years ago
8 0
It's 39 degrees, too


good luck
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How to feel in this chart
xeze [42]
You can find them in a chart but the atomic mass unit (amu) is defined as the proton mass.  Proton = 1amu, neutron =1 amu, electron = 0.005amu
charge on P is +1, charge on N is 0, and charge on electron is -1
3 0
4 years ago
Large radio telescopes, like the one in Arecibo, Puerto Rico, can detect extremely weak signals. Suppose one radio telescope is
ad-work [718]

Answer:

Explanation:

Oh sorry I thought I knew this one I guess not but you can prob look it up on safari

4 0
3 years ago
How to calculate the slope of position time graph?
Mashcka [7]

Answer:

The slope of a position-time graph can be calculated as:

m=\frac{\Delta y}{\Delta x}

where

\Delta y is the increment in the y-variable

\Delta x is the increment in the x-variable

We can verify that the slope of this graph is actually equal to the velocity. In fact:

\Delta y corresponds to the change in position, so it is the displacement, \Delta s

\Delta x corresponds to the change in time \Delta t, so the time interval

Therefore the slope of the graph is equal to

m=\frac{\Delta s}{\Delta t}

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3 0
3 years ago
Everyday lifestyle choices affect your physical fitness. Please select the best answer from the choices provided. T F
amid [387]
Answer:
True

Explanation:
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The everyday lifestyle affects this physical fitness, in case you are not used used to "moving" in your daily life, your body will be sort of lazy and lack the power and ability to carry on with the daily occupation as well as sports.
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Hope this helps :)
9 0
3 years ago
Read 2 more answers
In a photoelectric experiment, a metal is irradiated with light of energy 3.56 eV. If a stopping potential of 1.10 V is required
sashaice [31]

Answer:

The  work function is  \phi  =  2.46 \  eV

Explanation:

From the question we are told that

    The light energy is  E =  3.56 eV

     The  stopping voltage is  V  =  1.10 \ V

Generally work function is mathematically represented as

      \phi  =  E  -  KE

Where KE is the kinetic energy of the ejected electron and it is mathematically represented as

         KE  =  V  *  e

Where  e is the charge on the electron

So  

        KE  = 1.10eV

Thus  

        \phi  =  3.56eV  -  1.10 eV

=>      \phi  =  2.46 \  eV

6 0
4 years ago
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