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ddd [48]
3 years ago
14

A suitable model for air could be b-b's moving rapidly around and colliding with each other.

Physics
2 answers:
solong [7]3 years ago
5 0
The answer to your qestion is true
Fed [463]3 years ago
5 0

the answer would be true

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Determine the voltage of source v2 in order for a 50a current to be delivered to the 0.5 ohm load resistor.
USPshnik [31]

<u>Answer</u>

25 Volts

<u>Explanation</u>

Ohm's law states that the current flowing though a fixed resistor is directly proportional to the voltage drop across it.

V ∝ I

V = RI Where R is the resistance.

V = 0.5 × 50

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calculate the gravitational force in between two objects of mass 25 kg and 20 kg if distance between them is 5m ​
sladkih [1.3K]

Answer:

<em><u>Gravitational</u></em><em><u> </u></em><em><u>force</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>1</u></em><em><u>.</u></em><em><u>3</u></em><em><u>3</u></em><em><u> </u></em><em><u>×</u></em><em><u> </u></em><em><u>1</u></em><em><u>0</u></em><em><u>^</u></em><em><u>-</u></em><em><u>9</u></em><em><u> </u></em><em><u>N</u></em>

Explanation:

force =  \frac{GMm}{ {r}^{2} }

{ \sf{ =  \frac{6.67 \times  {10}^{ - 11} \times 25 \times 20 }{ {5}^{2} } }} \\  \\  = { \sf{1.33 \times  {10}^{ - 9} \: newtons }}

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3 years ago
How much work is done when 300 N of force is used to lift the dog 1.5 m?
Setler79 [48]

Answer:

450N

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Work done=Force*distance

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