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Gre4nikov [31]
3 years ago
15

What is the magnitude of the gravitational force of attraction between two 0.425-kilogram soccer balls when the distance between

their centers is 0.500 meter?2.41 Ă— 10’11 N4.82 Ă— 10’11 N5.67 Ă— 10’11 N1.13 Ă— 10’10 N
Physics
1 answer:
Lapatulllka [165]3 years ago
7 0

<u>Answer</u>

4.8212×10⁻¹¹ N


<u>Explanation</u>

The gravitational force F, between 2 masses m₁ and m₂ is given by:

F = (Gm₁m₂)/d²

Where G =  6.673 x 10⁻¹¹ N m²/kg² and d is the distance between the 2 masses.

F = (Gm₁m₂)/d²

   =  (6.673 x 10⁻¹¹ × 0.425 × 0.425)/0.500²

   = 1.2053×10⁻¹¹/0.25

   = 4.8212×10⁻¹¹ N

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Predict the energy transformation that occurs when carson sands a piece of wood with sandpaper.
tigry1 [53]

Answer:

Explanation:

The hand provides Kinetic Energy in moving.

The KE is transformed to Frictional energy

The Frictional Energy can produce heat and light energy.

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The shreds have KE (they move)

6 0
2 years ago
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goblinko [34]
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4 0
2 years ago
What two motions combine to produce an orbit?
Ivenika [448]

I'm pretty sure it's Inertia and Gravity

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Hopefully this helped and good luck.

8 0
3 years ago
In three sentences, please describe SIMPLE HARMONIC motion, and give two examples. Thank you! :-)
11Alexandr11 [23.1K]
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3 0
3 years ago
A 103 kg horizontal platform is a uniform disk of radius 1.71 m and can rotate about the vertical axis through its center. A 68.
Andreyy89

Answer:

I_{total}=220.64 kg*m^{2}

Explanation:

The moment of inertia of the system is equal to the each population and the platform inertia so

Inertia disk

I_{disk}=\frac{1}{2}*m_{disk}*(r_{p})^{2}

Inertia person

I_{p}=\frac{1}{2}*m_{p}*(r_{p})^{2}

Inertia dog

I_{d}=\frac{1}{2}*m_{d}*(r_{d})^{2}

The Inertia of the system is the sum of each mass taking into account that all exert the force of inertia:

I_{total}=I_{disk}+I_{p}+I_{d}

I_{total}=\frac{1}{2}*103kg*(1.71)^{2}+\frac{1}{2}*68.9kg*(1.09)^{2}+\frac{1}{2}*27.7kg*(1.45)^{2}

I_{total}=220.64 kg*m^{2}

5 0
3 years ago
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