How much heat energy is gained when 4 kg of water at 30°C is heated to its boiling point?
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How much heat energy is gained when 4 kg of water at 30°C is heated to its boiling point?
Explanation:
The length of the minute hand of a clock is 5 cm.
Find the area swept by the minute hand during
period of 10.30 a.m. to 11.05 a.m.
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1
Answer:
May be this will help u ..
Put 4 on place of 5 and 30°C at the place of 20°C.
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