Question

Earth is rotating about a sun as well as its axis. If it's diameter becomes two times,is there any effect on its rotation? Explain.​

Answer 1

Answer:

But in truth, it actually takes the Earth 23 hours, 56 minutes, and 4.09 seconds to turn rotate once on its axis compared to the background stars.

Answer 2

Answer:

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Explanation:

Earth rotates about its own axis in 24 hours. T=24×60×60 s. So angular speed of the earth about its own axis =

T

2π

=

24×60×60

2π

m/s

At equator g

1

=g−R

2

g

1

=g−R

e

w

12

or O=g−R

e

w

12

w

1

=

R

e

g

=

84.6×60

2π

∴

w

w

1

=

84.6×60

24×60×60

≈17

w

1

=17w