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stepladder [879]
2 years ago
5

As the change in speed at the boundary of two materials is greater what happened to the angle of refraction (please help )

Physics
1 answer:
Studentka2010 [4]2 years ago
7 0
The answer is B.
Hope this helps.
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Atoms of two different elements must have different
Tresset [83]

Answer:

Number of neautrons

Explanation:

Atoms from two different elements may have the same number of neutrons, but never the same number of protons. The number of protons is unique to the element and represents the atomic number. (sorcastic.org)

4 0
3 years ago
The shortstop plays between first and second base.<br> true or false
adell [148]

SINGLE TO RIGHT OR CENTER FIELD-On a single to center or right field the first baseman will be the cutoff to home. The shortstop will cover second base.

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2 years ago
Write a hypothesis about the use of an object’s physical characteristics to determine its density. Use the format "if . . . then
mash [69]
For this case you must first know the definition of density.
 D = m / v
 where,
 m: mass
 v: volume.
 You can then write the following hypothesis:
 IF you know two physical characteristics of an object then you can determine the density. First weigh the object, THEN measure its volume BECAUSE the density is the quotient between the mass and the volume of an object.
5 0
3 years ago
Read 2 more answers
What do I have to do to figure out " What % of an object’s mass is above the water line if the object’s density is 0.82g/ml " wi
blsea [12.9K]

Answer:

18%

Explanation:

There are two equal and opposite forces on a floating object: weight and buoyancy.

W = B

The weight of an object is its mass times gravity: W = mg

Buoyancy is the weight of the displaced fluid: W = mf g

Plugging in:

mg = mf g

m = mf

Mass is density times volume:

ρV = ρf Vf

Solving for the ratio of Vf / V:

Vf / V = ρ / ρf

Given that ρ = 0.82 g/mL and ρf = 1.00 g/mL:

Vf / V = 0.82

That means 82% of the object's volume (and therefore, 82% of its mass, assuming uniform density) is submerged.  Which means that 18% is above the water line.

4 0
3 years ago
The point where earthquake movement first occur ​
Margaret [11]
It’s called the focus of the earthquake
3 0
2 years ago
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