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`        one of the rectangle components of a velocity of 20ms-1 is 10ms-1  .find the other component.  `
10 months ago

Arun
22572 Points
```							given velocity v = 20 m/slet the given rectangular component iscos somponent, so 10 = v cos xso, other component will be sin componenti.e., v sin xor, 10 = 20 cos xor, cos x = 1/2 and as sin^2 x + cos^2 x = 1or, 1 - cos^2 x = sin^2 xor, 1 - (1/2)^2 = sin^2 xso, sin x = sqrt( 1 - 1/4)or, sin x = sqrt(3/4)so, rectangular component is 20 sin x = 20 sqrt(3/4)= 10 sqrt3= 17.32 m/s
```
10 months ago
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