Question

answers for the question down bellow?

Answer 1

Answer:

a: +2

b: 5secs 9 m

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Answer 2

Answer:

A: Uniform motion

B: Velocity=Displacement/time

    Displacement=90-10=80 m (from B to F)

    time=10-2=8 s (from B to F)

 ∴ Displacement= 80÷8=10 m/s

   Hope you understood.   THANK YOU