W4 Q2 V14

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course Phy 201

• What is its initial velocity, and how much longer will it be before it passes this point again?

Ds = Vo * dt + ½ a * dt^2

0.136 s= Vo () + ½ (6cm/s^2) (5 cm)^2

Subtract 75 from both sides

-74.864 = Vo (5)

Divide both sides by 5

Vo = -14.97

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5 cm is not a time interval. 5 cm would be the displacement `ds.

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