I just need help with question help, please! QUESTION 4 This question is related

Question

I just need help with question help, please!

QUESTION 4 This question is related to problem 21 at the end of chapter 4 that was assigned for HW. To obtain the answer does one have to include the time taken by sound to reach back to the top of the cliff or is that too small and does not need to be accounted? 1.Yes, the time taken by the sound to reach the top of the cliff has to be included in the calculation. The time taken by the sound is not small but it is ignored in this calculation. 3. None of these choices is correct. No, the time taken by the sound is very small and can be ignored in this calculation.

Explanation / Answer

Speed of sound in the air is 343 m/s

height of the cliff, h = 40 m

Time taken by sound to travel from pool to the top of the cliff = 40 / 343 =0.116 sec

Yes time taken by the sound has to be included in the solution

Related Questions

Navigate

• Browse (All)
• Browse I
• Subjects

---