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Marrrta [24]
4 years ago
12

Which substance is used in fertilizers?

Physics
2 answers:
fredd [130]4 years ago
4 0

it is HNO3 btw the answer is C

mezya [45]4 years ago
3 0
Nitric acid (NHO3) because plants need nitrogen to survive, hope this helped.
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lisabon 2012 [21]
C
The smaller waves created by the constant winds gradually add up to form larger ones.
3 0
3 years ago
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It's nighttime, and you ve dropped your goggles into a 3.2-m-deep swimming pool. If you hold a laser pointer 0.90 m above the ed
yanalaym [24]

Answer:

The distance of the goggle from the edge is 5.30 m

Explanation:

Given:

The depth of pool (d) = 3.2 m

let 'i' be the angle of incidence

thus,

i = tan^{-1}(\frac{2.2}{0.90})

i = 67.75°

Now, Using snell's law, we have,

n₁ × sin(i) = n₂ × 2 × sin(r)

where,

r is the angle of refraction

n₁ is the refractive index of medium 1 = 1 for air

n₂ is the refractive index of medium 1 = 1.33 for water

now,

1 × sin 67.75° = 1.33 × sin(r)

or

r = 44.09°

Now,  

the distance of googles = 2.2 + d×tan(r)  = 2.2 + (3.2 × tan(44.09°) = 5.30 m

Hence, <u>the distance of the goggle from the edge is 5.30 m</u>

5 0
3 years ago
TRUE or FALSE: During a collision between objects of different mass, there is a greater force applied to the less massive object
ddd [48]
If they are moving at the same speed then it would be true because the larger object would have more mass and would have more momentum then the smaller object that has less mass! Hope this helps!
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5. What is the total length of the path of travel fron start of motion to the final place?
hodyreva [135]
C because the length & the path i took determines the distance .
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