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Velocity-Time Graphs & Acceleration

Velocity-Time Graphs & Acceleration

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

One evening, a lady is strolling along a straight line. The line is along the x-axis and to the right is the positive direction. You collect data from the lady's motion and construct a graph of velocity as a function of time. Determine the lady's acceleration at 1.0 s and 3.5 s.

ANSWERS OPTIONS

A

a(t = 1.0s) = -3.5 m/s², a(t = 3.5s) = 0 m/s²

B

a(t = 1.0s) = -1.4 m/s², a(t = 3.5s) = 0 m/s²

C

a(t = 1.0s) = 1.4 m/s², a(t = 3.5s) = 1.4 m/s²

D

a(t = 1.0s) = -1.4 m/s², a(t = 3.5s) = 1.4m/s²

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