A fan is making 600 revolutions/minute. If it makes 1200 revolutions/minute, what is the increase in its angular velocity?
(1) 10 it rad/sec
(2) 20 tt rad/sec
(3) 60 i rad/sec
(4) 40 r rad/sec
Answers
Answered by
0
Answer:
ω=600×
60
2π
=20π rad/s
ω is doubled if it takes 1200 rpm
ω
0
=
60
1200×2π
=40π rad/s
∴Δω=ω
0
−ω =20π rad/s
Explanation:
2) one
Answered by
1
Solution :
u = 2π ( n₂ - n₁ )
= 20π
So , the answer is (2) → 20 tt rad/sec
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