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rewona [7]
3 years ago
13

When using science to investigate physical phenomena, which of the following is NOT a characteristic of the event must exist?

Physics
2 answers:
Andreas93 [3]3 years ago
6 0
It’s not Measurable.
UkoKoshka [18]3 years ago
3 0
The first one measurable
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Four identical particles of mass 0.514 kg each are placed at the vertices of a 4.70 m x 4.70 m square and held there by four mas
Alona [7]

In order to solve the problem it is necessary to take into account the concepts related to the moment of inertia, and the center of mass of the object.

Our values are given by:

m = 0.514kg

I = 4.7m (each side)

A) For the case when the axis passes through the midpoints of opposite sidesand lies in the plane of the square. The formula is given by,

I = 4m (\frac{l}{2})^2\\I = 4*(0.514)(\frac{4.7}{2})^2\\I =  11.35kgm^2\\

B) For the case when the axis passes through the midpoint of one of the sides and is perpendicular to the plane of the square. The formula is given by,

I = 2m(\frac{l}{2})^2+2m(\frac{l}{2}^2+l^2)\\I = 2*(0.514)*(\frac{4.7}{2})^2+2*(0.514)*((\frac{4.7}{2})^2+4.7^2)\\I = 34.06Kgm^2

C) For the case when the axis lies in the plane of square f passes through two diagonally opposite particles,

I = \frac{1}{2}*l^2

I = \frac{1}{2}*(4.7)^2

I = 11.045kgm^2

7 0
3 years ago
You can increase the rate solute dissolves in solvent by______
V125BC [204]
Crushing particles of solute. The more surface area of the solute exposed to the solvent the faster the solute will dissolve and react with the solvent
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4 years ago
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Answer:

g= 9.81m/s..................

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Calculate the energy and power required for a student to bike their way to college from home. The student bikes from home for 0.
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Answer:

Check the explanation

Explanation:

To solve the problem, we need to analyze all forces acting on a bicycle individually. In question, student bikes on flat terrain so gravity force doesn't affect the road load. This is the case of uniform acceleration and deceleration so need to calculate average velocity to find Air resistance.

Kindly check the attached images below to see the step by step explanation to the question above.

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3 years ago
If an object has no acceleration, can you conclude that no forces are exerted on it
MrMuchimi

No. It has no acceleration, which just means that the forces acting on it are equal and opposite, not that there are no forces exerted on it.

But if you're talking about the resulting Net Force, then yes you can conclude there is no Net Force acting on an object with no acceleration.

3 0
3 years ago
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