wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question


A rod of length 23 m is fixed at one end. It is raised to some height such that it makes 37 from the horizontal. Find its angular speed in rad/sec, when it passes through the horizontal. [sin 37=3/5,g=10 m/s2]

A
3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
6
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
93
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
33
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D 33
Applying conservation of mechanical energy:
loss in P.E=mgl2 sin37gain in K.E=12Iw2/mgl/2sin37=1/2/ml23.w23gl5=l23w2 w2=27w=33 rad/s

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Definition of Function
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon