The car of a wheel rotating with certain angular velocity is stopped in 7 seconds and before it stops , it makes 35 revolutions . Then initially it wa

Question

The car of a wheel rotating with certain angular velocity is stopped in 7 seconds and before it stops , it makes 35 revolutions . Then initially it wa

The car of a wheel rotating with certain angular velocity is stopped in 7 seconds and before it stops , it makes 35 revolutions . Then initially it was rotating with the frequancy .
A. `10 Hz`
B. `20 Hz`
C. `15 Hz`
D. `30 Hz`

Monjur Alahi

8 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 - A
`N=(n_(1)+n_(2))/(2)xxt`
`thereforen_(1)=(2N)/(t)-n_(2)=(2xx35)/(7) -0=10 Hz`.

8 views Answered 2023-02-05 15:29