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arsen [322]
3 years ago
7

According to gay-lussac’s law: select one:

Physics
2 answers:
DaniilM [7]3 years ago
8 0
Gay-Lussac's Law states
P1 / T1 = P2 / T2
So the answer is b

svlad2 [7]3 years ago
4 0

Answer

D

Explanation:

Just did the assignment.

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If a circuit has a power of 50 W with a current of 4.5 A, what is the resistance in the circuit?
lawyer [7]

Answer:

{ \rm{power, \: p = current \times p.d}} \\ { \rm{50 = 4.5 \times (current \times resistance)}} \\ { \rm{50 = 4.5 \times (4.5 \times r)}} \\ { \rm{resistance =  \frac{50}{ {4.5}^{2} } }} \\  \\ { \rm{resistance = 2.5 \:  ohms}}

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2 years ago
The air also contained a small amount of argon.
andriy [413]

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When argon changes from a gas to a liquid, the forces between the molecules become stronger so the particles become closer together and come into come into contact more often. The particles move at a less faster rate as the have less kinetic energy due to decrease in temperature. When argon changes from a liquid to a solid, the forces become even stronger so the particles are arranged in fixed positions and vibrate around a fixed point as they cannot move past each other

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2 years ago
3. What is electric current?<br> The flow of moving electrons<br><br> electrons that move one time
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7 0
3 years ago
Read 2 more answers
Sultan throws a ball horizontally from his window, 12 m above the garden. It reaches the ground after
Kay [80]

Answer:

<h2>2.4</h2>

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8 0
3 years ago
A train has a length of 81.1 m and starts from rest with a constant acceleration at time t = 0 s. At this instant, a car just re
arlik [135]

Answer: a) vcar= 7 m/s ; b) a train= 0.65 m/s^2

Explanation: By using the kinematic equation for the car and the train we can determine the above values of the car velocity and the acceletarion of the train, respectively.

We have for the car

distance = v car* t, considering the length of train (81.1 m) travel by the car during the first 11.6 s

the v car =  distance/time= 81.1 m/11.6s= 7 m/s

In order to calculate the acceleration we have to use the kinematic equation for the train from the rest

distance train = (a* t^2)/2

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4 0
3 years ago
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