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postnew [5]
4 years ago
12

Could anyone help with this question I do

Physics
2 answers:
ra1l [238]4 years ago
8 0
<span>which of those can we not get back once it has been used, the answer is oil or petroleum</span>
dedylja [7]4 years ago
7 0
That is a very good question and i think i know the answer but am not sure. C sunlight because once you use sunlight you cant use it again and again
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On a winter day with a temperature of -10°C, 500g of snow (water ice) is brought inside where the temperature is 18 °C. The snow
Serjik [45]

Answer:

Explanation:

Mass of ice m = 500g = .5 kg

Heat required to raise the temperature of ice by 10 degree

= mass of ice x specific heat of ice x change in temperature

= .5 x 2093 x 10 J

10465 J

Heat required to melt the ice

= mass of ice x latent heat

0.5 x 334 x 10³ J

167000 J

Heat required to raise its temperature to 18 degree

= mass x specific heat of water x rise in temperature

= .5 x 4182 x 18

=37638 J

Total heat

=10465 +167000+ 37638

=215103 J

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4 years ago
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3 years ago
Changing the number of which type of subatomic particle makes an atom an isotope?
Andrej [43]
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3 years ago
A 675 kg car moving at 15.7 m/s hits from behind another car moving at 9.6 m/s in the same direction. If the second car has a ma
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