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GrogVix [38]
3 years ago
11

Why do different substances have diffrent properties

Physics
2 answers:
Artist 52 [7]3 years ago
8 0
Different elements require different levels of energy to make or break a bond
user100 [1]3 years ago
8 0
Different elements require different levels of energy to make or break a bond
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What was the hiker's total displacement?<br>A.24 km  B.4 km north  C.14 km northeast  D.0 km
kipiarov [429]
We can see it as two movements: one on the north-south axis and one on the west-east axis.

On the north-south Axis, the hiker went 8 km north and 4 km south, so in total the hiker went 4 km north (we can subtract one for the other and the direction remains that which was bigger)

On the west-easth Axis, the hiker went 6 km east and 6 km west, so in total the hiker  didn't move on this axis! or, he/she moved but then "came back"

So in total, the hiker only moved4 km north - answer B.

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7 0
3 years ago
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What is the most likely elevation of point B?<br>a. 150 ft<br>b. 200 ft<br>c. 125 ft<br>d. 225 ft​
zepelin [54]

Answer:

D

Explanation:

erm i think its 225 ft?

7 0
4 years ago
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Orange juice with pulp floating around is an example of what type of mixture?
kolbaska11 [484]

Answer:

I hope this helps

Explanation:

homogeneous mixture

8 0
4 years ago
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Which expression is equal to the number of grams (g) in 2.43 kilograms (kg)?
Kryger [21]

Answer:

A. 2.43 kg x 1000 g/1 kg

Explanation:

We know that the equivalence between grams and kilograms is

1 kg = 1000 g

So, if we want to convert a mass m from kg to g, we just need to multiply the value by the factor \frac{1000 g}{1 kg}.

In this problem, the mass is

m = 2.43 kg

Therefore, multiplying by the factor above, we get

m = 2.43 kg \cdot \frac{ 1000 g}{1 kg}

4 0
3 years ago
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Find the wavelength of light given off by a hydrogen atom when its electron drops from the n = 4 to n = 1 energy level
4vir4ik [10]

Answer: 1.55 x 10 -19J on top

Explanation:

4 0
3 years ago
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