A car of mass 800 kg moves on a circular track of radius 40 m . If the coefficient of friction is 0.5, then maximum velocity with which the car can mo

Question

A car of mass 800 kg moves on a circular track of radius 40 m . If the coefficient of friction is 0.5, then maximum velocity with which the car can mo

A car of mass 800 kg moves on a circular track of radius 40 m . If the coefficient of friction is 0.5, then maximum velocity with which the car can move is
A. ` 7 m//s`
B. `14 m//s`
C. `8 m//s`
D. `12m//s`

Monjur Alahi

4 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
`V=sqrt(mu rg)`
`=sqrt(0.5xx40xx9.8)`
`=sqrt(20xx9.6)=sqrt(196)=14 m//s.`

4 views Answered 2023-02-05 15:29