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A ring of radius R is rotating with an angular speed ω_0 about a horizontal axis. It is placed on...
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A ring of radius R is rotating with an angular speed ω_0 about a horizontal axis. It is placed on a rough horizontal table. The coefficient of kinetic friction is μ_k. The time after which it starts rolling is :
a. ω_0μ_kR/2 g
b. ω_0 R/2 μ_k R
c. 2 ω_0 R/μ_kg
d. ω_0 R/2 μ_k g
📌 PHYSICS WALLAH OTHER CHANNELS :
📌 PHYSICS WALLAH SOCIAL MEDIA PROFILES :
a. ω_0μ_kR/2 g
b. ω_0 R/2 μ_k R
c. 2 ω_0 R/μ_kg
d. ω_0 R/2 μ_k g
📌 PHYSICS WALLAH OTHER CHANNELS :
📌 PHYSICS WALLAH SOCIAL MEDIA PROFILES :
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