Question

The speeds of 25 molecules are distributed as follows: 5 in the range from 2 to 3 m/s, 10 in therange from 3 to 4 m/s, 5 in the range from 4 to 5 m/s, 3 in the range from 5 to 6 m/s,1intherange from 6 to 7 m/s, and 1 in the range from 7 to 8 m/s. Their average speed is about:

Answer 1

Answer:

it is 29m/sec. mark me brain list