Find the equation of a line perpendicular to y=-1/2x+74 and passing through (3,-2). a) y = 2x+8
b) y = 2x+8
c) y = 2x - 8
d) y = -1/2x+8

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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