Question

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Answer 1

Answer:

1.  d) (ms)^-2  ,  2.  a) distance

Explanation:

Answer 2

Answer:

i. Unit of acceleration is the metre per second per second (m/s2). Definition. The snewton is that force which, when acting on a mass of one kilogramme, produces an acceleration of one metre per second per second.

ii.displacement

The area under a velocity-time graph is the displacement. Velocity can be negative if an object is moving backwards. The displacement can also be negative. An area beneath the x-axis has a negative value.