Question

Figure 2-1 At t = 0 s a) Rider C is ahead of rider D. b)...

f2-1.gif

Figure 2-1

At t = 0 s

a) Rider C is ahead of rider D.

b) Rider D is ahead of rider C.

c) Rider C and D are at the same position.

Please explain how you got the answer and any equations you may have used! A step-by-step solution would be very helpful. Thanks!

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Answer #1

x (m) t (in second) 0 10

From the graph it is clear that at time t =0 rider D is ahead of rider C.

From the graph you can see that at t= 0 s the position of C is at origin (x = 0 m) and the position of D is at somewhere x = a m away from origin .

After 10 seconds C will be ahead of D as velocity of C is greater than D (Because Slope of C > Slope of D).

For any doubt please comment.

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