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Mariana [72]
2 years ago
11

What are the first three harmonics of a note produced on a 0.31 m long violin string if the waves on this string have a speed of

274.4 M/s. what is the length of the pipe
Physics
1 answer:
bezimeni [28]2 years ago
4 0
Is that what you are looking for?
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Which statement is true of stellar evolution?
noname [10]

There are no true statements at all on the list of choices
that you included with the question.

8 0
3 years ago
Why should the safety net that is used in circuses under trapezoids be little tightened?
bixtya [17]
So that there isn't too much force restricting the structure of the circus and cause disaster
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2 years ago
Bill leaves his 60 W desk lamp on every day, including weekends, for eight hours. After one month (30 days), how much total ener
maxonik [38]

' W ' is the symbol for 'Watt' ... the unit of power equal to 1 joule/second.

That's all the physics we need to know to answer this question.
The rest is just arithmetic.

(60 joules/sec) · (30 days) · (8 hours/day) · (3600 sec/hour)

= (60 · 30 · 8 · 3600) (joule · day · hour · sec) / (sec · day · hour)

= 51,840,000 joules
__________________________________

Wait a minute !  Hold up !  Hee haw !  Whoa ! 
Excuse me.  That will never do.
I see they want the answer in units of kilowatt-hours (kWh).
In that case, it's

(60 watts) · (30 days) · (8 hours/day) · (1 kW/1,000 watts)

= (60 · 30 · 8 · 1 / 1,000) (watt · day · hour · kW / day · watt)

= 14.4 kW·hour

Rounded to the nearest whole number:

14 kWh

7 0
2 years ago
Thoughts about Genetically Modified Crops
Alex787 [66]
I think that GMOs, also known as genetically modified crops or organisms, can be used in good and bad ways. They can provide crops to survive longer, and produce a bigger portion. However, on the other side of that, it is claimed that it creates a large amount of greenhouse gas emissions, which can turn into climate change.
4 0
2 years ago
Read 2 more answers
What charges must the particles have to create the electric field shown
Leviafan [203]

<u>Correct Option:</u>

X shows positive while Y shows negative charges, create the electric field as shown.

<u>Option: D</u>

<u>Explanation:</u>

The idea of an electric field provides a way to define how starlight travels to enter our eyes across huge distances of empty space.The electric field is a quantity of vectors that is present at any point in space. The electric field at a region shows the force that, if put at that position, will operate upon a positive charge device.

The direction of the electric field points directly at a positive point charge, and straight at a negative point charge. The field direction is implemented to the force direction exert on a positive test charge. It is externally from a positive charge and radially in toward a negative point charge.

8 0
3 years ago
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