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Velocity-Time Graphs & Acceleration

Velocity-Time Graphs & Acceleration

2. 1D Motion / Kinematics / Velocity-Time Graphs & Acceleration / Problem 4

A lubricating oil is driven through a pipe using an electric pump. The speed of an oil particle is plotted in the first 10 s of operation. Determine the acceleration of an oil particle through every stage shown on the graph.

ANSWERS OPTIONS

A

First stage a = 3.5 m/s² ;
Second stage a = - 0.6 m/s² ;
Third stage a = 0 m/s²

B

First stage a = 3.5 m/s² ;
Second stage a = 0.6 m/s² ;
Third stage a = 4.0 m/s²

C

First stage a = - 3.5 m/s² ;
Second stage a = 0.6 m/s² ;
Third stage a = - 4.0 m/s²

D

First stage a = - 3.5 m/s² ;
Second stage a = 0.6 m/s² ;
Third stage a = 0 m/s²

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