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densk [106]
3 years ago
6

STATE THE HOOKE'S LAW

Physics
2 answers:
victus00 [196]3 years ago
6 0
The Hooke's law is a principal of physics that states that the force needed to extend or compress a spring by some distance x scales linearly with respect to that distance.
Anvisha [2.4K]3 years ago
6 0

a law stating that the strain in a solid is proportional to the applied stress within the elastic limit of that solid.


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A van accelerates from 4m/s to 20m/s in 8s. How far does it travel in this time?​
zubka84 [21]

Answer:

96 m

Explanation:

Given,

Initial velocity ( u ) = 4 m/s

Final velocity ( v ) = 20 m/s

Time ( t ) = 8 s

Let Acceleration be " a ".

Formula : -

a = ( v - u ) / t

a = ( 20 - 4 ) / 8

= 16 / 8

a = 2 m/s²

Let displacement be " s ".

Formula : -

s = ut + at² / 2

s = ( 4 ) ( 8 ) + ( 2 ) ( 8² ) / 2

= 32 + ( 2 ) ( 64 ) / 2

= 32 + ( 2 ) ( 32 )

= 32 + 64

s = 96 m

Therefore, it travels 96 m in time 8 s.

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3 years ago
What determines the radiation that an electromagnetic wave emits?
seropon [69]
The question is a little confusing. An electromagnetic wave is radiation. One doesn’t emit the other. Take another look at the question and write it again please.
3 0
3 years ago
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Sana loved swimming.She joined a new smimmimg club .When she looked at the floor of the pool to estimate its depth she found tha
melisa1 [442]

Answer:

Refraction

Explanation:

When light passes from a rarer medium into a denser medium, it bends in the medium away from the normal. This creates the phenomenon of "apparent depth" as given in the question.

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Convection within the causes the plates to move.<br> mantle<br> ocean<br> inner core<br> crust
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4 0
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Really need help! ;(<br> Could you please explain it? :) <br> GIVING 10 POINTS
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