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Zanzabum
3 years ago
9

Around which months does el nino end and la nina start?

Physics
2 answers:
emmasim [6.3K]3 years ago
7 0
El nino and la nina are usually 9-12 months so they are pretty much annual things. They tend to develop in sping, (March-June), then around a year later the next one takes over in spring.

ad-work [718]3 years ago
3 0

Answer:

They both tend to develop during the spring (March-June), reach peak intensity during the late autumn or winter (November-February), and then weaken during the spring or early summer (March-June)

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A 1.70 kg block slides on a horizontal, frictionless surface until it encounters a spring with a force constant of 955 N/m. The
Mariana [72]

Answer:

The initial speed of the block is 1.09 m/s

Explanation:

Given;

mass of block, m = 1.7 kg

force constant of the spring, k = 955 N/m

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From principle of conservation of energy

kinetic energy of the block = elastic potential energy of the spring

¹/₂mv² = ¹/₂kx²

mv²  = kx²

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where;

v is the initial speed of the block

x is the compression of the spring

v = \sqrt{\frac{955*(0.046)^2}{1.7} } \\\\v = 1.09 \ m/s

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3 years ago
The human activities in two locations are described below:
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The distance an object falls from rest through gravity is 
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Divide each side by ' g ' :      2 D/g =                  t² 

Square root each side:        t = √ (2D/g)

Looking at the equation now, we can see what happens to ' t ' when only ' g ' changes:

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                                             and smaller 'g' ==> longer 't' .-- 

They don't change by the same factor, because  1/g  is inside the square root.  So 't' changes the same amount as  √1/g  does.

Gravity on the surface of the moon is roughly  1/6  the value of gravity on the surface of the Earth.

So we expect ' t ' to increase by  √6  =  2.45 times.

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