Is it possible for a distance-versus-time graph to be a verticle line? Explain O A.
Yes, because it would show that the object is at rest.
ОВ.
No, because the object would have to cover distance in zero time.
C. Yes, because it would show that the object is moving at constant speed.
D. No, because the object's speed would be zero.

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.