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Ppou li one year?
log2
[Use e 1990 = 0.99961
14. A spherical raindrop evaporates at a rate proportional to its surface area. If originally its radine
be 3 mm and 1 hour later it reduces to 2 mm, find an expression for the radius of the raindrop
at any time.
15. An equation relating to stability of an
ulu
.
.
dv
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