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sergij07 [2.7K]
3 years ago
13

Is the voltage of two identical lamps the same?​

Physics
2 answers:
Dahasolnce [82]3 years ago
8 0

Answer:

It depends if they have the same lightbulb in them.

Explanation:

laila [671]3 years ago
6 0
It has different types of lights but most of them aren’t same because they can have more energy or different energy it’s depends on “life spam” as light
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A railroad car having a mass of 17.5 Mg is coasting at 1.5 m/s on a horizontal track. At the same time another car having a mass
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Then final velocity of the coupled system of cars will be 0.58 m/s

Explanation: Let us consider the car-1 is moving towards right (say + ve direction) and car-2 is moving towards left (say in - ve direction), accordingly velocity are considered +ve and -ve.

m_{1} = 17.5 \ Mg = 17.5 \times 10^{6} \ g = 17.5 \times 10^{3} \ Kg = 17500 \ Kg

v_{1} = + \ 1.5 \ m/s

m_{2} = 12 \ Mg = 12 \times 10^{6} \ g = 12 \times 10^{3} \ Kg = 12000 \ Kg

v_{2} = - \ 0.75 \ m/s

Applying the conservation of momentum, and let the final velocity of combined system is V m/s

m_{1} \times v_{1} + m_{2} \times v_{2} = (m_{1} + m_{2}) \times V

17500 \times 1.5 \  + 12000 \times (-0.75) = 29500 \times V

26250 - 9000 = 29500 \times V

V = \frac{17250}{29500} = 0.58 m/s

Then final velocity of the coupled system of cars will be 0.58 m/s

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Copper will still be a solid at room temperature
Here is the link for the info:   http://education.jlab.org/itselemental/ele029.html
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