A wheel starts from rest and acquires an angular velocity of `60 rad//s` in half a minute . Then its angular acceleration is

Question

A wheel starts from rest and acquires an angular velocity of `60 rad//s` in half a minute . Then its angular acceleration is

A wheel starts from rest and acquires an angular velocity of `60 rad//s` in half a minute . Then its angular acceleration is
A. `4 rad//s^(2)`
B. `2 rad//s^(2)`
C. `1 rad//s^(2)`
D. `0.5 rad//s^(2)`

Monjur Alahi

9 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`alpha=(omega_(2)-omega_(1))/(t)=(60)/(30)=2 rad//sec^(2)`.

9 views Answered 2023-02-05 15:29