I the box is pulled from P to Q, which of the following expresses the...
PHYSICS
WAEC 1998
I the box is pulled from P to Q, which of the following expresses the velocity ratio of the inclined plane?
- A. PR/PQ
- B. OR/PQ
- C. OR/PR
- D. PQ/QR
Correct Answer: D. PQ/QR
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