O -16 points 6.1.045. A and B, start side by side and accelerate from rest. The

Question

O -16 points 6.1.045. A and B, start side by side and accelerate from rest. The figure shows the graphs of their velocity functions and a s 2a t (min) (a) Which car is ahead after five minutes? O car A O car B Explain O The area under curve A is greater than the area under curve B. 0 The area under curve B is greater than the area under curve A. (b) What is the meaning of the area of the shaded region? O It is how much faster A is traveling than B after 5 minutes. O It is how much faster B is traveling than A after 5 minutes. O It is the distance by which A is ahead of B after 5 minutes O It is the distance by which B is ahead of A after 5 minutes. 5

Explanation / Answer

a)
Car A

Because area under curve for Car A is greater at 5 mins

b)

It is the distance by which car A is ahead

c)

Car A

Because Area under curve of car A is greater at 10 mins

d)

11 mins.... approx

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