Kinematics Question 373

Question: The velocity of an object moving rectilinearly it’s given as a function of time by v=4t−3t2, where v it’s in m/s and t it’s in seconds. The average velocity of particle between t = 0 to t = 2 seconds is

Options:

A) 0

B) −2m/s

C) −4m/s

D) 8 m/s

Show Answer

Answer:

Correct Answer: A

Solution:

v=4t−3t2

Vavg=0−02=0

Vavg=s(2)−s(0)2−0[s2=8−8=0]

Vavg=0−02=0

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