Aparticle moves with uniform velocity. which of the following statements about the motion of the particle is true? a. its speed is zero b. it's acceleration is zero c. it's speed may be variable d. acceleration may be variable

B

Explanation:

when a velocity is uniform it means it may not variable over time

and it mean the particles acceleration is 0

a displacement distance is size of displ

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.