725
The challenge for workout
The challenge for the brain a workout on Friday!)
Itak- condition on the beam balance are two of the flask with water. The left flask on a string attached to the bottom of a ping-pong ball in the right flask lowered metal ball (of the same volume as the left) on the line.
And now the question-which way the scales deviate ???
Source: wealthmanagement.com
Itak- condition on the beam balance are two of the flask with water. The left flask on a string attached to the bottom of a ping-pong ball in the right flask lowered metal ball (of the same volume as the left) on the line.
And now the question-which way the scales deviate ???
Source: wealthmanagement.com