A particle starts from the origin at t = 0 and moves along the positive x axis. A graph of the velocity of the particle as a function of the time is shown in Fig. 2-43;(adsbygoogle = window.adsbygoogle || []).push({});

the v-axis scale is set by vs = 7.00 m/s. (a) What is the coordinate of the particle at t = 5.0 s? (b) What is the velocity of the particle at t = 5.0 s? (c) What is the acceleration of the particle at t = 5.0 s? (d) What is the average velocity of the particle between t = 1.0 s and t = 5.0 s? (e) What is the average acceleration of the particle between t = 1.0 s and t = 5.0 s?

2. Relevant equations

V_{f}= V_{i}+at

V_{avg}= (V_{f}+V_{i})/2

a_{avg}= change in v/change in time

3. The attempt at a solution

I think all my answers are wrong!

a) (2,5) --> Looking at the graph

b) t =5s, v=2 m/s

c) V_{f}= V_{i}+at

(4-2)/1 = a

a = 2 m/s

d) V_{avg}= (V_{f}+V_{i})/2

(2=2)/2

= 2 m/s

e) a_{avg}= change in v/change in time

=0 m/s

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# Homework Help: Find Velocity and acceleration

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