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(Solved): (a) If a particle moves along a straight line, what can you say about its acceleration vector? the ...
(a) If a particle moves along a straight line, what can you say about its acceleration vector? the acceleration vector equals the velocity vector the acceleration vector has a magnitude of one the acceleration vector is parallel to the tangent vector the acceleration vector is parallel to the unit normal vector O the acceleration vector has a magnitude of zero X (b) If a particle moves with constant speed along a curve, what can you say about its acceleration vector? O the acceleration vector equals the velocity vector the acceleration vector has a magnitude of one the acceleration vector is parallel to the tangent vector the acceleration vector is parallel to the unit normal vector O the acceleration vector has a magnitude of zero x