12:19 PM OO AT&T; LTE 60% K Camera Roll 1,972 of 1,974 Edit e. None of the above

Question

12:19 PM OO AT&T; LTE 60% K Camera Roll 1,972 of 1,974 Edit e. None of the above 7, suppose that a NASCAR race car is moving to the right with a constant velocity of 88 m/s. Twelve seconds later, the car is halfway around the track and traveling in the opposie directin with the same speed. What is the average acceleration of the car? a, -1 m/s b, -2.1m/s 88m/s e, 14,6m/s 8. A snowmobile moves according to the velocity-time graph shown in the drawing What is th snowmobile's average acceleration during (a) segment A. (b) segment B, and (co segment C? 0 10 20 30 40 50 60 Time (s) a. 1.9m/s, -2.9m/s 11 m/s b. 2.5 m/s -1.9, 0m/s 5.2 m/s, 1.9m/s, 0m/s 1.9m/s ,0m/s 3.3 m/s e, 2,5m/s 0m/s -1.9m/s

Explanation / Answer

my answer:

7) B

8) C

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