In question number 4 , the speed of the block at point \( C \), immediately before it leaves the... VIDEO
In question number 4 , the speed of the block at point \( C \), immediately before it leaves the second incline is
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(a) \( \sqrt{120} \mathrm{~m} / \mathrm{s} \)
(b) \( \sqrt{105} \mathrm{~m} / \mathrm{s} \)
(c) \( \sqrt{90} \mathrm{~m} / \mathrm{s} \)
(d) \( \sqrt{75} \mathrm{~m} / \mathrm{s} \)
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