A constant torque of 1000 N-m turns a wheel of
moment of inertia 200 kg-m² about an axis through
its centre. Its angular velocity after 3 seconds is
(a) 1 rad/s (b) 5 rad/s
(c) 10 rad/s (d) 15 rad/s
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Answered by
3
Answer: potion d
Explanation:
We know that T=Iα
1000=200×α⇒α=5rad/s
2
now we know ω=ω
o
+αt, andω
o
=0
ω=5×3=15 rads ^-1
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2
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