Question

14. If the particle
he particle is moving along a straight line
ven by the relation x = 2 - 3t+4t where s is
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

80 cm/s

.................

Answer 2

Answer:

Question is wrong it would be 4t^2