Asked by Mike
A ceiling fan starting from rest reaches an angular velocity of 30 rev/sec in 5 sec. What is the angular displacement of the fan during these 5 sec?
Can you show me the steps need to figure this question out?
Thanks!
Can you show me the steps need to figure this question out?
Thanks!
Answers
Answered by
Elena
φ=ω₀t±εt²/2
ω=ω₀±εt
ω=2πn
ω₀=2πn₀=0
φ=εt²/2
2πn= εt
ε=2πn/t
φ=εt²/2=2πn t²/2t= πn t=3.14•30•5=...(rad)
ω=ω₀±εt
ω=2πn
ω₀=2πn₀=0
φ=εt²/2
2πn= εt
ε=2πn/t
φ=εt²/2=2πn t²/2t= πn t=3.14•30•5=...(rad)
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