Diagram below shows two trolleys, M and N of the same mass before and after collision.
Rajah di bawah menunjukkan dua troli M dan N yang berjisim sama sebelum dan selepas
perlanggaran.
Which is true about u and v?
Manakah benar mengenai u dan v?
A v = u
B v > u
C u = 2v
D v = 2u
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Answer
C