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ad-work [718]
3 years ago
15

Why is area called scalar quantity​

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

Answer:

Explanation:

Commonly area is a scalar quantity because there is no need of direction to define and also follow the algebrac summation. When we talk about vector there exist a frame of reference with a certain orogin

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A capacitor is created by two metal plates. The two plates have the dimensions L = 0.49 m and W = 0.48 m. The two plates are sep
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Explanation:

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4 years ago
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How does a water molecule transfer from the ocean to form part of a cloud in the atmosphere?
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The right answer for the question that is being asked and shown above is that: "B. condensation from the ocean and then evaporation into a cloud." a water molecule transfer from the ocean to form part of a cloud in the atmosphere is that <span>condensation from the ocean and then evaporation into a cloud</span>
3 0
3 years ago
A 25 kg block is held against a compressed spring and then the spring is allowed to decompress giving the block a velocity. The
Alex787 [66]

Answer:

h=18.05 cm

Explanation:

Given that

m= 25 kg

K= 1300 N/m

x=26.4 cm

θ= 19.5 ∘

When the block just leave the spring then the speed of block = v m/s

From energy conservation

\dfrac{1}{2}Kx^2=\dfrac{1}{2}mv^2

Kx^2=mv^2

v=\sqrt{\dfrac{kx^2}{m}}

By putting the values

v=\sqrt{\dfrac{kx^2}{m}}

v=\sqrt{\dfrac{1300\times 0.264^2}{25}}

v=1.9 m/s

When block reach at the maximum height(h) position then the final speed of the block will be zero.

We know that

V_f^2=V_i^2-2gh

By putting the values

0^2=1.9^2-2\times 10\times h

h=0.1805 m

h=18.05 cm

4 0
4 years ago
________ occurs when an object in the outer reaches of the solar system passes between earth and a far distant star, temporarily
murzikaleks [220]
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6 0
4 years ago
You began with a 544 g sample ​
Bas_tet [7]

Answer:

34g

(second option listed)

Explanation:

half life is the number of days it takes to decrease by half,

after 8 days you are left with half of the original portion

in a period of 32 days, we experience 4 repeats of 8 days

(it gets cut in half four times):

544 / 2 = 272  {<em>day 8</em>}

272 / 2 = 136  {<em>day 16</em>}

136 / 2 = 68 {<em>day 24</em>}

68 / 2 = 34 {<em>day 32</em>}

so, after 32 days, 34g of ooblek are left un-decayed

hope this helps!! have a lovely day :)

3 0
2 years ago
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