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To explain centripetal acceleration and centripetal force. The man complete one round around
the earth in 27 day 7 hrs. If radius of the moon is 3.85 x 108 m. Find acceleration.
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Answer:
This is the acceleration of moon with respect to Earth.
Explanation:
Distance between Earth and Moon
r =3.85×10⁵
km =3.85×10⁸m
T = 27.3days = 24×3600×(27.3)sec = 2.36×10⁸sec
Time period of the moon will be
T = 2πr/v
v = 2π×3.85×10⁸/27.3×24×60×60
=1025.98m/s
The acceleration of the moon is,
a= v²/r
a= (1025.98)²/3.85×10⁸
=2.73×10−³ m/s²
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