a stationary wheel starts rotating about its own axis at a uniform angular acceleration 8rd/s the time taken by it to complete 77 rotation is
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It was initially at rest, ωi = 0
θ = (ωi × t) + (0.5 × αt²)
θ = 0 + (0.5 × αt²)
t = sqrt(2θ / α)
= sqrt[(2 × 77 × 2π rad) / 8 rad/s²] ………[take π = 22/7]
= 11 seconds
Time taken is 11 seconds
θ = (ωi × t) + (0.5 × αt²)
θ = 0 + (0.5 × αt²)
t = sqrt(2θ / α)
= sqrt[(2 × 77 × 2π rad) / 8 rad/s²] ………[take π = 22/7]
= 11 seconds
Time taken is 11 seconds
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