Hailstones fall from certain height.If only 1 % of the hailstones melt on reaching the ground , find the height from which they fall.
(g = 10 m/s^2 ; L = 80 calorie /gram and j = 4.2 j/ calorie )
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5
Answer:
Heya sathvika ♥️
Explanation:
✏️Heat energy required to melt
ΔH=100mass of stone×(l)
ΔH=100ml
Energy gained while falling
ΔE=mgh
If, mgh=100ml [As ΔE=ΔH]
h=(80)(4.2)×10−3=336 mm
✒️Hope it helps✌️☺️♥️...
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1
Answer:
Akka sharan anna di acc delete ayyipoindhaaa?
emiayina info undha.??
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