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A marble is released from rest at the top of an incline and accelerates down the incline at 1.7m/s2. After it has moved throught a distance if 5.5 m it is moving at _____m/s.

3 years ago

Answered By Emily D

Oh no I hope you figured out the answer to this! If not, here's a quick run-down

 

Given: a, vi, d

Need: vf

Equation that matches: vf2 = vi2 + 2ad

 

vf2 = 02 + 2*(1.7)*(5.5)

vf2 = 18.7 m2/s2

vf = 4.3 m/s

 

If all else fails, remember to draw out a chart with what you know and what you don't know, then you can figure out which equations on your formula sheet might be helpful :)