A particle is projected with `40ms^(-1)` at anlge `53^(@)` above horizontal. It speed when it is moving at `37^(@)` with horizontal is

Question

A particle is projected with `40ms^(-1)` at anlge `53^(@)` above horizontal. It speed when it is moving at `37^(@)` with horizontal is

A particle is projected with `40ms^(-1)` at anlge `53^(@)` above horizontal. It speed when it is moving at `37^(@)` with horizontal is
A. `20ms^(-1)`
B. `30ms^(-1)`
C. `10ms^(-1)`
D. `15ms^(-1)`

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

`a_(x)=0`
`rArr 40 cos 53^(@)=V cos 37^(@)`
`40xx(3)/(5)=Vxx(4)/(5)`
`V=30^(-1)`

4 views Answered 2023-02-05 15:29