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makvit [3.9K]
3 years ago
8

Help please it's urgent

Physics
1 answer:
insens350 [35]3 years ago
7 0
I cant read it, i could most likely help if i could read it.
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A spinning turbine can generate electricity only in the form of a/an _______ current.
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4 years ago
To what temperature will a 79.0 g piece of glass raise if it absorbs 9457 calories of heat and its specific heat capacity is 0.5
ruslelena [56]

Answer:

T_final = 279.4 [°C]

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In order to solve this problem, we must use the following equation of thermal energy.

Q=m*C_{p}*(T_{f}-T_{i})

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Q = heat = 9457 [cal]

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Cp = specific heat = 0.5 [cal/g*°C]

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T_final = final temperature [°C]

9457 = 79*0.5*(T_{f}-40)\\239.41=T_{f}-40\\\\T_{f}=279.4[C]

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