11 ? find the arc length of the semi circle. Either enter an exact answer in terms of pie or use 3.14 for pie and enter your answer as a decimal

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.

ian gone lie this got me confused

step-by-step explanation:

boxplot

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step-by-step explanation: