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katrin [286]
3 years ago
13

Which of the following substances could be heated from 20°C to 100°C most quickly? Assume identical heat sources are used on all

substances.
Physics
2 answers:
Alex73 [517]3 years ago
7 0
It gold I think ...........
Lera25 [3.4K]3 years ago
3 0
Hello There!

Your answer is Gold because it has the lowest SH

Hope This Helps You!
Good Luck :) 

- Hannah ❤
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How does an increase in temperature generally affect the rate of a reaction?
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Assume it takes 10 J to stretch a spring 10 cm beyond its natural length. Find the work required (in Joules) to stretch the spri
Lady bird [3.3K]

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W = 30 J

Explanation:

given,

Work done = 10 J

Stretch of spring, x = 0.1 m

We know,

dW = F .dx

we know, F = k x

\int dW = \int_0^{0.1} k.x dx

W = \int_0^{0.1} k.x dx

W = k[\dfrac{x^2}{2}]_0^{0.1}

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k = 2000

now, calculating Work done by the spring when it stretched to 0.2 m from 0.1 m.

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