Hi really need help with Earth Science hw!

2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

If a star is moving toward earth, it is