A steel cable is stretched across a gorge. The cable is 190 m long and has a mass of 44 kg. When one end of the cable is struck with a hammer, a wave pulse travels down the cable, reflects at the far end, and is detected back at the first end 14 s later. What is the speed of the wave?
I couldn't calculate force in this which i believe is necessary
To calculate the speed of the wave in the steel cable, we can use the formula:
Speed = Distance / Time
In this case, the distance is twice the length of the cable since the wave travels from one end to the other and then back. So, the distance would be 2 x 190 m = 380 m.
The time it takes for the wave to travel from one end to the other and back is given as 14 seconds.
Plugging these values into the formula, we can calculate the speed:
Speed = 380 m / 14 s = 27.14 m/s
So, the speed of the wave in the steel cable is approximately 27.14 m/s.