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The block `B` moves with a velcoity `u` relative to the wedge `A`. If the velocity of the
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The block `B` moves with a velcoity `u` relative to the wedge `A`. If the velocity of the wedge is `v` as shown in figure, what is the value of `theta` so that the block `B` moves vertically as seen from ground.
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![[HD1080P] 110415 Block](https://i.ytimg.com/vi/0x-Ha5OCAf8/hqdefault.jpg)
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![[MV] BLOCK B](https://i.ytimg.com/vi/u0QTxlmxw4E/hqdefault.jpg)
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![[HD1080p]110708 Block B](https://i.ytimg.com/vi/ybl8dgpUfL4/hqdefault.jpg)
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![[Full HD MV]](https://i.ytimg.com/vi/hKUtiOXvI8Y/hqdefault.jpg)
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![[Vietsub] Block B](https://i.ytimg.com/vi/B0fuu-xyLKk/hqdefault.jpg)
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