Questions
A flywheel gains a speed of 540 rpm in 6 second. Its angular acceleration will be
a
3 πrad / sec2
b
18πrad/sec2
c
54 π rad / sec2
d
9 πrad / sec2
detailed solution
Correct option is A
ω2=ω1+αt∴ α=ω2−ω1t=540×(2π/60)6rad/secsec=3πrad/sec2Talk to our academic expert!
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