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photoshop1234 [79]
3 years ago
13

A block is initially at position x = 0 and in contact with an uncompressed spring of negligible mass. The block is pushed back a

long a frictionless surface from position x = 0 to x = -D , as shown above, compressing the spring by an amount Δx = D . The block is then released. At x = 0 the block enters a rough part of the track and eventually comes to rest at position x = 3D . The coefficient of kinetic friction between the block and the rough track is µ.
On the axes below, sketch and label graphs of the following two quantities as a function of the position of the block between x = -D and x = 3D . You do not need to calculate values for the vertical axis, but the same vertical scale should be used for both quantities.
i. The kinetic energy K of the block
ii. The potential energy U of the block-spring system

Physics
1 answer:
Serga [27]3 years ago
8 0

Answer:

(See attachment)

Explanation:

The kinetic energy K and the potential energy U of the block are presented below.

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Atoms like carbon and nitrogen do not form ions because the electronegativity of these atoms are not that high nor very low which means electrons are fairly stable in the atom. While chlorine has very high electronegativity and for sodium very low, atoms tend to receive or release electrons. 
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Please do number 25! Explain how you got your answer with detail to get Brainliest! Thank you!
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John weighs 200 pounds.
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The stairs to the balcony are 20-ft high.
In order to lift himself to the balcony, John has to do
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The rate of doing work is called "power".

(If we were working in the metric system (with SI units),
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Too bad we're not working with metric units.)

So back to our problem.

John has to do 4,000 foot-pounds of work to lift himself up to the balcony,
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Well, 550 foot-pounds per second is called 1 "horsepower".

So as John runs up the steps to the balcony, he's doing the work
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_______________________________________________

Oh my gosh !  Look at #26 !  There are the metric units I was talking about.

Do you need #26 ?

I'll give you the answers, but I won't go through the explanation,
because I'm doing all this for only 5 points.

a).  5
b).  750 Joules
c).  800 Joules
d).  93.75%

You're welcome.

And #27 is 0.667 m/s .
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Answer:

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I think the answer is c h and o
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