Physics, 08.07.2019 11:00 inucornspineapple

8. a car travels at a constant velocity of 70 mph for one hour. by the end of the second hour, the car’s velocity was 60 mph. at the end of the third hour, the car’s velocity was 80 mph. during which hour was their acceleration positive? during which hour was their acceleration negative?

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8. a car travels at a constant velocity of 70 mph for one hour. by the end of the second hour, the c...