The angular speed of truck wheel is increased from $900 rpm$ to $2460 rpm$ in $26$ seconds. The number of revolutions by the truck engine during this time is ______.
(Assuming the acceleration to be uniform).

Question

The angular speed of truck wheel is increased from $900 rpm$ to $2460 rpm$ in $26$ seconds. The number of revolutions by the truck engine during this time is ______.

(Assuming the acceleration to be uniform).

TestHub · Accepted Answer

We know, θ = ω 1 + ω 2 2 t Let number of revolutions be N ∴ 2 π N = 2 π 900 + 2460 60 × 2 × 26 N = 728

Physics - Rotation Question with Solution | TestHub

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