the speed of the block at point C, immediately before it leaves the se

1.	the speed of the block at point C, immediately before it leaves the second incline is
Answer» `sqrt120` m/s `sqrt105` m/s `sqrt90` m/s `sqrt75` m/s Solution :Mechanical ENERGY conservation between POINTS B and C GIVES `v_C^2=v_B^2+2gh` or `v_C^2=45+2xx10xx3 IMPLIES v_C=sqrt105` m/s

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