K HWCh2 59. Problem 2.34 ?) 5019 (>) ? Part A A motorcycle moves according to th

Question

K HWCh2 59. Problem 2.34 ?) 5019 (>) ? Part A A motorcycle moves according to the velocity-versus- time graph shown in the figure(Figure 1) Find the average acceleration of the motorcycle during segment A of the motion. Express your answer using two significant figures. em em 0? redi m/s lem Submit Request Answer lem lem Part B lemFigure 1 of 1> Find the average acceleration of the motorcycle during segment B of the motion. Express your answer using two significant figures 15 blem blem E 10 m/s Submit Request Answer 5 10 15 20 25 Time, ! (s)

Explanation / Answer

A)
Acceleration = dv/dt
= (10 - 0) / (5 - 0)
= 2 m/s2.

B)
Acceleration = dv/dt
Here velocity remains constant, dv = 10 - 10 = 0
So, dv = 0
acceleration = 0

C)
a = dv/dt
= (5 - 10) / (25 - 15)
= - 5/10
= - 0.5 m/s2.

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