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nadya68 [22]
2 years ago
14

The metal wire in an incandescent lightbulb glows when the lights is switch on and stops glowing when switched off. This simple

process is which kind of a change?
Physics
2 answers:
Radda [10]2 years ago
7 0

Opening or closing a circuit.

lutik1710 [3]2 years ago
4 0

Answer:

When the metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off, this is an example of resistance, which provides light and heat.  

Explanation:

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A 5.45-g combustible sample is burned in a calorimeter. the heat generated changes the temperature of 555 g of water from 20.5°c
Y_Kistochka [10]
Given:
m = 555 g, the mass of water in the calorimeter
ΔT = 39.5 - 20.5 = 19 °C, temperature change
c = 4.18 J/(°C-g), specific heat of  water

Assume that all generated heat goes into heating the water.
Then the energy released is
Q = mcΔT
    = (555 g)*(4.18 J/(°C-g)*(19 °C)
    = 44,078.1 J
    = 44,100 J (approximately)

Answer:  44,100 J

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A crate is pushed up each of the two ramps shown in the diagram below. Based on the concept that simple machines make work easie
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Like-charged bodies, when brought closer together, will: repel more strongly be neutralized repel less strongly attract more str
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That's almost the true

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What benefits does preforming this investigation in the physical world have over the computer simulation?
mezya [45]

Explanation:

Can be safer and cheaper than the real world. Able to test a product or system works before building it. Can use it to find unexpected problems. Can speed things up or slow them down to see changes over long or short periods of time.

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