A student writes:
‘When I rub my dry hands together on a cold morning, they warm up. However, when I repeat this with soapy water, my hands don’t warm up as much.’
Explain these observations by considering the energy transfers involved.
Answers
Answered by
0
Answer:
Explanation:
it is due to friction
there is less friction in soapy water
Answered by
8
Answer:
yes it happens !!
==> dry hands possess more friction , due to more friction it's easier to warm your hands.
==> soapy water is a lubricant and hence it reduces friction.
less friction will not provide as much heat as by dry hands.
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