hii guys help me tomorrow is my test so please all or any one
write the law of conservation in
1 boiling a kettle
2 pushing a car uphill
please help
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boiling kettle some water vaporizes and some remain in kettle if wen add the vaporised water's mass and water in kettle then the previous mass of water before boilig and after boiling will be same
when we push a car then some energy is used to cope with friction and some energy is used by air friction and some by gravity so the is not wasted
when we push a car then some energy is used to cope with friction and some energy is used by air friction and some by gravity so the is not wasted
Coolkitty:
hii
am not able to understand
if you are there then reply
from where you get it
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