Question
Asked Oct 21, 2019
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Calculate the final velocities of the gliders from the v1i and v2i you measured with error using the equation attached below. 

Mass 1 (rubber band): 196.4 ± 0.1g 

Mass 2 (Bumber): 182.9 ± 0.1g 

 

  Intial Velocity  Final Velocity       
 Rubber band  0.30m/s  -0.30m/s      
Bumber  0.37m/s 0.37m/s      
           
2mii + (M — т)izi
й2
(М — т)бiа
2М ён
бiу
(6.4)
М +m
М +m
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2mii + (M — т)izi й2 (М — т)бiа 2М ён бiу (6.4) М +m М +m

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Expert Answer

Step 1

The final velocity of the bumber is,

Substitute the values,

2M, - (м -т)\и
Vу
М+т
2(19643) (0.37 mb)-(1964g —18298)(о30шs)
196.4g+182.9g
0.37m/s
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2M, - (м -т)\и Vу М+т 2(19643) (0.37 mb)-(1964g —18298)(о30шs) 196.4g+182.9g 0.37m/s

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Step 2

The final velocity of the rubber band i...

2M, + (м - ту
2(196.4g)(0.30m/s)+(196.4g-182.9g)(0.37 m/s)
196.4g +182.9g
=-0.32m/s
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2M, + (м - ту 2(196.4g)(0.30m/s)+(196.4g-182.9g)(0.37 m/s) 196.4g +182.9g =-0.32m/s

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