Question

= 150. Come
12. The following table shows the timings (in seconds) recorded by Arun and Jai during a 100
meters running race practice session. Find the mean values.
Arun
Jai
Session number
15.5 sec
14.5 sec
1
15 sec
14.8 sec
2
14.8 sec
15.2 sec
3
14.6 sec
14.5 sec
4
14.1sec
14 sec
5
Mean
64​

Answer 1

Answer:

Take a can or large plastic bottle filled with water. Place it on a horizontal surface. Make a series of holes in the wall of the vessel anywhere below the free surface of the liquid. ... This shows that the liquid exerts pressure at each point on the wall of the bottle.