Johnny was playing baseball with his friends and they noticed a bolt of lightning. They heard thunder seven seconds later. How far away is the storm?

meters

2380m

Explanation:

Given parameters:

Time taken to hear the sound after lightning  = 7s

Unknown:

Distance of the storm  = ?

Solution:

Light has been shown to travel faster than sound. To solve this problem,

                 Speed  =

Speed is the rate of change of distance with time

Distance  = speed x time taken

The speed of sound is given as 340m/s

Distance  = 340 x 7  = 2380m

moving ball hits still ball. mover stops, hit ball moves. momentum transfer.

force tends to be low and long diustance masses are high