If the cross-section of a wire of fixed length is doubled, how does the resistance of that wire change? (this is for studying fo
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Answer:
20 pig callers
Explanation:
Given that:
A pig caller produced intensity level of a sound = 107 dB
To find how many pig callers required to generate an intensity level of 120 dB;
we have:
120 dB - 107 dB = 13 dB
Taking the logarithm function;
where;
= initial intensity
I = 19.95
I ≅ 20 pig callers
Answer:
<h2><u>Given </u><u>:</u><u>-</u></h2>- Mass = 1025 kg
- Acceleration = 9.8 m/s²
Force
<h2><u>Solution</u><u> </u><u>:</u><u>-</u></h2>We know that
F = mg
F = 1025 × 9.8
F = 10,045 N
Or,
10045/1000 = 10.045 Kilo Newton