Experimental part. 1. Select 5 balls of approximately equal radius.
1. Select 5 balls of approximately equal radius. 2. Fix the upper ring at the point of 0.1 m under liquid level. Place the lower ring CD at the distance 0.35 m from the upper one. 3. Measure radius
Table 8.1
5. Draw the graph 6. Substituting speed 7. Find out what is the main error in determination of 8. Examine condition (8.3).
|
of a ball by the vernier caliper. Drop the ball into the cylinder. Switch on the stopwatch at the moment the ball passes by the upper ring, and switch off it when the ball moves near the lower ring. Put down time 
of crossing the distance 
between rings into the table 8.1.
, m
, m/s
, Pa · s
=
.
