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1 year ago

A spiral spring has a length of 14 cm when a force of 4 N is hung on it. A force of 6 N extends

Physics

1 answer:

stira [4]1 year ago

5 0

Answer:

bussy

Explanation:

shart

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If the value of static friction for a couch is 400N, what could be a possible value of its kinetic friction? *

Dafna11 [192]

Answer:

kinetic friction may be greater than 400 N or smaller than 400 N

Explanation:

As we know that maximum value of static friction on the rough surface is known as limiting friction and the formula of this limiting friction is known as

$F_s = \mu_s N$

now when object is sliding on the rough surface then the friction force on that surface is known as kinetic friction and the formula of kinetic friction is known as

$F_k = \mu_k N$

now we know that

$\mu_k < \mu_s$

so here value of limiting static friction force is always more than kinetic friction

also we know that

initially when body is at rest then static friction value will lie from 0 N to maximum limiting friction

and hence kinetic friction may be greater than static friction or if the static friction is maximum limiting friction then kinetic friction is smaller than static friction

so kinetic friction may be greater than 400 N or smaller than 400 N

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3 years ago

How do human break N2 into a useable form

Fiesta28 [93]

A process known as fixation. the majority of nitrogen is fixed by bacteria, most of which are symbiotic with plants

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3 years ago

Discuss the correlation or connection between stars with a higher mass and the amount of fuel they have to work with

dimulka [17.4K]

Larger stars have a higher amount of fuel in order to keep the process of nuclear fusion going.

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3 years ago

Calculate, using a diagram, the resultant of the following vector combinations:

Veronika [31]

Add them together with south being negative. (-350 + 25) to get 325 south

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3 years ago

A jet plane comes in for a downward dive as shown in the figure below.

xxTIMURxx [149]

The solution would be like this for this specific problem:

5.5 g = g + v^2/r 
4.5 g = v^2/r 
v^2 = 4.5 g * r 
v = sqrt ( 4.5 *9.81m/s^2 * 350 m) 
v = 124 m/s

So the pilot will black out for this dive at 124 m/s. I am hoping that these answers have satisfied your query and it will be able to help you in your endeavors, and if you would like, feel free to ask another question.

8 0

3 years ago

Read 2 more answers