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3 years ago

1.

Physics

2 answers:

Jet001 [13]3 years ago

4 0

Answer:

1. high frequency and high energy.

2. short wavelengths and high frequencies.

3. less energy and long wavelengths.

4. high frequencies and high energy

5. X-rays

6. infrared waves

7. radio waves.

8. Gamma Rays

9. Microwaves

10. infrared waves

sweet [91]3 years ago

3 0

Answer: 1: High frequency and high energy. 2: Short wavelengths and high frequencies. 3: Less energy and long wavelengths. 4: High frequencies and high energy. 5: X-rays. 6: Infrared waves. 7: Radio waves. 8: Gamma Rays. 9: Microwaves. 10: Infrared waves.

Explanation: 1: High frequency and high energy. 2: Short wavelengths and high frequencies. 3: Less energy and long wavelengths. 4: High frequencies and high energy. 5: X-rays. 6: Infrared waves. 7: Radio waves. 8: Gamma Rays. 9: Microwaves. 10: Infrared waves.

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Answer:

$\frac{R_{s} }{R_{p} } =\frac{R_{1} }{R_{2} }+\frac{R_{2} }{R_{1} } +2$

Explanation:

We have series and parallel combination of two resisters $R_{1}$ and $R_{2}$ .

Series combination is

$R_{s}= R_{1}+R_{2}$ and Parallel is $R_{p} = (\frac{1}{R_{1}}+\frac{1}{R_{2}} )^-1$

Now dividing series equivalent resistance by parallel resistance gives us

$\frac{R_{s} }{R_{p} } =\frac{R_{1} }{R_{2} }+\frac{R_{2} }{R_{1} } +2$ .

Note! series Combination is simply superposition of two elements (resisters in this case ) in a circuit.

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3 years ago

What is the result of two displacement vectors having opposite directions?

jonny [76]

Answer:

Resultant of two vectors having opposite direction is the difference of the two displacements having the same direction as the larger vector. 

Explanation:

Resultant of two vectors is obtained by performing the vector addition operation. When the directions of both vectors are same the resultant’s direction will also be the same as the inputs. When two vectors have opposite directions, one direction will be taken positive making one vector positive and the other negative.

By performing addition of a positive and negative number we are actually taking the difference between both. Thus performing vector addition of two vectors with opposite directions is equivalent to finding the difference between the vectors. Consider a system consisting of a solid block, on which two forces F1 and F2 act in the opposite direction.

One force will be considered positive and the other is considered negative. The resultant is given by the difference of two force vectors. Displacement of the block will be in the direction of the greater force.

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Answer:

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Explanation:

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I think it's 250

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