Determine whether the scenario involves independent or dependent events. Your teacher chooses one student to lead a group and then chooses another student to lead another group. The teacher cannot pick the same student to lead both groups. So, there are fewer students to choose from when the leader of the second group is chosen.

constant acceleration- a

constant velocity- c

no velocity or acceleration- b

explanation:

for body moving with a constant acceleration, the rate of change of displacement changes over time. this is proven by the increasing gradient of the curve (a) against time.

a body that is moving at constant velocity covers equal distances over equal periods of time, thus the straight line with a constant gradient c.

a stationary body   covers no displacement as time elapses. thus the flat line with   zero gradient.

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step-by-step explanation:

answer: -1

step-by-step explanation:

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