Read the position for each point on the timer strip. Then take the difference be

Question

Read the position for each point on the timer strip. Then take the difference between the successive points and enter the values in the table below. For example, the first point x1 = 1.62 cm and the second point x2 = 3.57 cm. The uncertainty for each reading is +/- 0.05 cm (or 0.5 mm)since this is half the smallest scale. The difference between the two readings, delta x1 = 3.56 - 1.62 = 1.9 cm. Your next reading should be x3- x2 annd so on. (The times in the table below are taken to be half way between successive points.)

1/60 = 1.9

3/60 =?

5/60 =?

7/60 =?

9/60 =?

Explanation / Answer

x2= 3.57 cm

x3=5.88 cm , x3-x2 =2.31

x4= 8.55cm , x4-x3=2.67

x5= 11.62cm    ,x5-x4=3.07

x6=14.93 cm , x6-x5=3.31

3/60 =2.31

5/60 =2.67

7/60 =3.07

9/60 =3.31

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