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 Form 3 Physics Questions and Answers on Linear Motion

Figure 2 shows a section of a curved surface ABCD. Point A is higher than point B while BCD is horizontal. Part ABC is smooth while CD is rough. A mass m is released from rest at A and moves towards D.
Q25LinearMotion28420201155.png
State the changes in the velocity of m between; (a) B and C (b) C and D

 (1m 31s)
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