Physics

Physics, 08.10.2019 18:30, lallenma

In which situation is the acceleration of the car negative?
a) the velocity of a car was 75 km/h over 4 hours.
b) the velocity of a car reduced from 50 km/h to 35 km/h over one minute.
c) the velocity of a car increased from 40 km/h to 75 km/h over 15 minutes.
d) the velocity of a car was 45 km/h at 2: 00 pm and at 4: 00 pm the velocity of the car was 85 km/h.

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Physics, 22.06.2019 18:30, dbryrob2557

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.

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