During each second of free fall, the speed of an object
(a) increases by the same amount.
(b) changes by increasing amounts.
(c) remains constant.
(d) doubles.
In 2.0 s, a car increases its speed from 30 km>h to 35 km>h while a bicycle goes from rest to 6 km>h. Which has the greater acceleration?
(a) the car
(b) the bicycle
(c) The accelerations are equal.
(d) It is impossible to know from the information provided.
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