1.

If Earth completes one revolution in 24 hours, what is the angular displacement made by Earth in one hour?Express your answer in both radian and degree.

Answer»

Solution :Given , One REVOLUTION of earth i 24 hours
t = 1 hour
`theta = ? ? `
24 haur`= 360^(@)`
In DEGREES ` 1 hour = (360^(@))/(24^(@)) = 15^(@) (or)`
In radian1 hour`= (2pi)/(24^(@)) = (PI)/(12)`rad


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