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Grace [21]
3 years ago
8

If two persons do the same amount of work , they may have different power ? why ? ​

Physics
1 answer:
iris [78.8K]3 years ago
4 0

Hey there mate :)

Even if two persons are given the same work load, the speed of the work done gets different by the energy of those persons.

No one is sure that he/she can complete the work within the time. He may or may not.

Also, the physical characteristics makes the work different. If one person has so much power to work all day, the other person may not have.

Therefore, <em>even if two persons do the same amount of work , they may have different power</em><em>.</em>

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while tuning his violin the violinist compares the pitch his string produces to the pitch produced by an electronic tuner if the
gayaneshka [121]

Answer:

3 Hz

Explanation:

A beat is the pattern of interference among two waves with frequencies which are different.

The difference of the frequencies of the waves gives us the beat frequency.

Here, one frequency is f_1=440\ Hz, the other frequency is f_2=443\ Hz

So, the beat frequency

\Delta f=|f_1-f_2|\\\Rightarrow \Delta f=|440-443|\\\Rightarrow \Delta f=3\ Hz

The beat frequency that is produced is 3 Hz

4 0
4 years ago
How do I find time?
kari74 [83]

<u>Answer:</u>   3

H = 45 m ,

time required for the stone

  S = u.t+(1/2) g.t²

45  = (1/2) 9.81. t²      since u( initial velocity) = 0 ; S =H.

 t²  = 9.17 s

<em>  t = 3.02 s  </em>

therefore answer is 3 m/s

<em>  if you satisfy with explanation, please give brainiest ; </em>



6 0
3 years ago
If an unkonwn fluid has a density of 3.1 g/mL and a volume of 25mL what is the mass of the liquid in grams
IgorLugansk [536]
Density =mass /volume
mass=density x volume
mass= 3.1g/mL x 25mL
mass=77.5g
6 0
3 years ago
If a 4.0Ω resistor, a 6.0Ω resistor, and an 8.0Ω resistor are connected in parallel across a 12 volt battery, what is the total
allsm [11]

Answer:

Explanation:

6.7 amps

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3 years ago
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Answer:

....................

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3 years ago
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