Questions
A satellite is moving around the earth with speed v in a circular orbit of radius r. If the orbit radius is decreased by 1%, its speed will
a
increase by 1%
b
increase by 0.5%
c
decrease by 1%
d
decrease by 0.5%
detailed solution
Correct option is B
v∝1r% increase in speed =12 (% decrease in radius) =12(1%)=0.5%i.e., speed will increase by 0.5%.Talk to our academic expert!
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