Question

14. If the particle is moving along a straight line
given by the relation x = 2 - 3t +4t where s is
in cms., and t in sec. Its average velocity
during the third sec is
1) 73 cm/s
2) 80 cm/s
3) 85 cm/s
4) 90 cm/s​

Answer 1

Answer:

80 cm/s..............

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Answer 2

Answer:

80 cm/s.................