1.

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 ........

Answer»

INCREASE by 1%
increase by 0.5%
DECREASE by 1%
decrease by 0.5%

SOLUTION :`v prop 1/(sqrt(r ))` % increase in SPEED `=1/2 ` % decrease in radius `=1/2 (1 %) = 0.5 %`


Discussion

No Comment Found