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Find the order of the differential equat...

Find the order of the differential equation `y”-12cosec y=0`.
a) 1
b) 2
c) 4
d) Not defined

Text Solution

Verified by Experts

The correct Answer is:
A, B
The earth's angular speed decreases by 0.0016 rad/day in 100 years.
Therefore the torque produced by the ocean water in decreasing earth's angular velocity
`tau=Ialpha=2/5mr^2xx(omega-omega_0)/t`
`=2/5xx6xx10^24xx64^2xx10^10`
`xx{0.0016/(86400^2xx10xx365)}`
[1year=365days=365xx86400sec]`
=5.678xx10^20N-m`
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