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BabaBlast [244]
3 years ago
13

Which of the following electromagnetic waves has the shortest wavelength?

Physics
2 answers:
nignag [31]3 years ago
7 0
Of the list, Ultraviolet waves have the shortest wavelength
FrozenT [24]3 years ago
7 0
Answer is B. Ultra violet rays...
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An important difference between a universal and a split-phase motor is that the split-phase motor has A. two brushes attached to
olga nikolaevna [1]

An important difference between a universal and a split-phase motor is that the split-phase motor has

A. two brushes attached to the stator.

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<u>C. two windings on the stator. </u>

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3 years ago
Two stationary positive point charges, charge 1 of magnitude 3.90 nC and charge 2 of magnitude 1.80 nC, are separated by a dista
soldi70 [24.7K]

Answer:

v = 7793150 m/s

Explanation:

First, we are going to calculate the electrical potential in the point middle between the two charges

Remember that the electrical potential can be calculated as:

v = \frac{kQ}{r}

                 Where     k = 8.9874 x 10^{9} \frac{Nm^{2} }{C^{2} }

and it is satisfy the superposition principle, thus

v = \frac{8.9874x10^{9}(3.90x10^{-9} ) }{0.23} +  \frac{8.9874x10^{9}(1.80x10^{-9} ) }{0.23}

v = 222.73v

The electrical potential at 10 cm from charge 1 is:

v = \frac{8.9874x10^{9}(3.90x10^{-9} ) }{0.1} +  \frac{8.9874x10^{9}(1.80x10^{-9} ) }{0.36}

v = 395.44 v

Since the work - energy theorem, we have:

q\Delta v = \frac{mv^{2} }{2}

                     where q is the electron's charge and m is the electron's mass

Therefore:

v = \sqrt{\frac{2q\Delta v}{m} }

v = 7793150 m/s

6 0
3 years ago
A neutral atom has no overall charge. Explain this in terms of its particles.
ruslelena [56]

Answer:

i just need points rn sorry

Explanation:

4 0
3 years ago
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Answer:

Less heat energy

Explanation:

cus I said so

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Increased________will lower viscosity
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The answer is high temperatures
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