A) 10 cm/min
B) 20 cm/min
C) 30 cm/min
D) zero
Correct Answer: A
Solution :
[a] Average velocity, |
\[{{v}_{av}}=\frac{\operatorname{Displacement} }{Time}\] |
=\[\frac{20\operatorname{cm} }{1\ \min }\] = 20 cm/min |
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