What Is the Time Between Waves Hitting the Boat?

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SUMMARY

The discussion focuses on calculating the time between waves hitting a boat, specifically addressing low-frequency vertical oscillations at 0.60 Hz. The correct time interval between two waves is determined to be 1.67 seconds, representing one complete cycle of the wave. Additionally, the speed of the waves is calculated to be 18 m/s based on the wavelength of 30 meters. The participant initially miscalculated the time, indicating a common misunderstanding of wave frequency and cycle timing.

PREREQUISITES
  • Understanding of wave frequency and cycles
  • Familiarity with basic physics equations, particularly v = λ * f
  • Knowledge of motion sickness related to low-frequency oscillations
  • Ability to interpret and solve problems involving wave properties
NEXT STEPS
  • Study wave mechanics and the relationship between frequency, wavelength, and speed
  • Learn about the effects of low-frequency oscillations on human physiology
  • Explore advanced physics problems involving wave interference and resonance
  • Review MasteringPhysics resources for additional practice on wave calculations
USEFUL FOR

Students in physics courses, educators teaching wave dynamics, and individuals interested in the effects of oscillations on motion sickness.

Foxhound101
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Homework Statement


Low-frequency vertical oscillations are one possible cause of motion sickness, with 0.60hz having the strongest effect. Your boat is bobbing in place at just the right frequency to cause you the maximum discomfort.

Part A -
How much time elapses between two waves hitting the ship?

Part B- If the wave crests appear to be about 30m apart, what would you estimate to be the speed of the waves?

frequency = .60 hz

Homework Equations



Other than v=lambda * frequency I don't know what formulas to use.

The Attempt at a Solution



I have no idea how to solve part-A. Even though I didn't think it would work I tried doing...

2 cycles * 1sec/.6 cycles = 3.3 seconds

I also tried...

1/.6z = 1.67sec

1.67 * 2 = 3.3 sec

Which gave me the same answer, but that isn't the correct solution according to MasteringPhysics..

I was able to do part B, which has the solution of 18 m/s.

Any help, even just the first step is appreciated.
 
Physics news on Phys.org
time "between 2 waves" means time from the first one until time the 2nd hits ... 1 cycle.
 
And now I feel stupid. 1 cycle is the correct answer...
 

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