In the formula V = 1/(2r) ^3 , if r is halved, then V is multiplied by
a. 64
b. 8
c. 1
d. 1/8
e. 1/64
Answer is b
I just do not understand the explnation in the book. Could someone simplify this question for me?
Thanks
V is multiplied by
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dude just replace 1/(2r) ^3 with V in the final term.
Thanks
Thanks
The powers of two are bloody impolite!!
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hey its not
1/(2r/2)^3 = (8) * 1/(2r/2)^3
it is
1/(2r/2)^3 = (8) * 1/(2r)^3
1/(2r/2)^3 = (8) * 1/(2r/2)^3
it is
1/(2r/2)^3 = (8) * 1/(2r)^3
The powers of two are bloody impolite!!
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