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An object moves along the x axis. The graph shows it’s position x as a function of time t. Find the average velocity of the object from points B to C.

An object moves along the x axis The graph shows its position x as a function of time t Find the average velocity of the object from points B to C class=

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CalvinLeeVail
question is from B to C

Answer: (b) 1.5m/s

x1=3m, x2=9m
t1=1s, t2=5s
Displacement, ∆x=(9-3)m=6m
Time elapsed, ∆t=(5-1)s=4s

So average velocity v =∆x/∆t=6/4=1.5m/s

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