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Rzqust [24]
1 year ago
11

What is alpha, beta and gamma radiation made of

Physics
1 answer:
algol131 year ago
6 0

Answer:

Alpha radiation is the name for the emission of an alpha particle in fact an helium nuclei, beta radiation is the emission of electrons or positrons , and gamma radiation is the term used for the emission of energetic photons.

Explanation:

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Match the definition with the correct term: resistance to flow.
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Describe characteristics and identify oxidation-reduction(redox) reactions. <br><br> plz and thx
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Answer:

I hope This helps

Explanation:

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3 0
3 years ago
Three identical springs, each with stiffness 1200 N/m are attached in series (that is, end to end) to make a longer spring to ho
OLga [1]
<h2>Answer:</h2>

400N/m

<h2>Explanation:</h2>

When n identical springs of stiffness k, are attached in series, the reciprocal of their equivalent stiffness (1 / m) is given by the sum of the reciprocal of their individual stiffnesses. i.e

\frac{1}{m} = ∑ⁿ₁ [\frac{1}{k_{i}}]          -----------------------(i)

That is;

\frac{1}{m} = \frac{1}{k_{1}} + \frac{1}{k_{2}} + \frac{1}{k_{3}} + . . . + \frac{1}{k_{n}}      -------------------(ii)

If they have the same value of stiffness say s, then equation (ii) becomes;

\frac{1}{m} = n x \frac{1}{s}           -----------------(iii)

Where;

n = number of springs

From the question,

There are 3 identical springs, each with stiffness of 1200N/m and they are attached in series. This implies that;

n = 3

s = 1200N/m

Now, to calculate the effective stiffness,m, (i.e the stiffness of a longer spring formed from the series combination of these springs), we substitute these values into equation (iii) above as follows;

\frac{1}{m} = 3 x \frac{1}{1200}

\frac{1}{m} = \frac{3}{1200}

\frac{1}{m} = \frac{1}{400}

Cross multiply;

m = 400N/m  

Therefore, the stiffness of the longer spring is 400N/m

7 0
3 years ago
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