In a famous experiment, a scientist showed that, when water in an insulated tub is stirred, its temperature increases.
What can be concluded from this experiment?
1 )
Temperature is a store of energy.
2 )
The water absorbs heat from the surroundings.
Work done by stirring increases the internal energy of the water.
4 )
Energy is not conserved.
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...