Find the order of the differential equat...

Find the order of the differential equation ` dy/dx+15 cos⁡x=0` .
a) 4
b) 3
c) 2
d) 1

Verified by Experts

The correct Answer is:

D

Area under the curve wil decide the totla angle rotated.
`:. Maximum angular velocity
` =4xx10=40 rad/s

Therefore ,Area under the curve
`=1/2xx10xx40+40xx10+1/2xx40xx10`
`=800rad`
`:. Total angle rotated =800 rad.

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