Answer:
check 2 photos for answer
check 2 photos for answer
The frequency of a wave is the number of waves that passes through a point in a certain time. The less waves that pass in a period of time the lower the frequency of the wave. The more waves that pass in a period of time the higher the frequency of the wave. When measuring wave length the time period used is usually one second.
ueirudjrufu rhfyrhfy. fur dhrbrhfbf
I don’t think so .............
Answer:
5.4m/s
Explanation:
Given parameters:
Distance = 43m
Time = 7.9s
Unknown:
Speed = ?
Solution:
Speed is mathematically expressed as;
Speed =
Insert the parameters and solve;
Speed = = 5.4m/s