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TSD Distance Constant - 5
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Sound problem

## Bharat Gupta is teaching live on Unacademy Plus

Bharat Gupta
Engineer by degree Mathematician by Heart. Having 22 years of teaching experience. Visit my youtube channel BHARAT GUPTA-RADIX .

U
Sir 64 me aapko follow nhi kar paya... repent karta hu
so cute sir you said no then yes hehe
Thank you sir
TA
sir why didnt you convert 12mins and 2 mins into sec?
Naga Sumanth
a year ago
since both are in same unit, we need not change them
Really helpful lecture. Thank you for covering doppler effect concept which is often not covered in many textbooks.
1. TIME, SPEED AND DISTANCE Sound Problem

2. Classic Sound Problem lo: 22 DI Do lo: 30 [o:32 CoM a

3. Classic Sound Problem lo: 22 o: 32 lo:oo A.M o: 20 lo: lo A.

4. Classic Sound Problem lo:oo A.M o: 20 lo: 22 lo: lo A. o: 3 2

5. Classic Sound Problem lo:oo A.M o: 20 lo: 22 lo: to Am. o. 32

6. Classic Sound Problem lo: 22 o: 32 0: 20 o: to AM. Dishne thavelld 2

7. Two guns are fired from the same place at an interval of 6 minutes. A person approaching the place observes that 5 minutes 52 seconds have elapsed between the hearing of the sound of the two guns. If the velocity of the sound is 330 m/sec, the man was approaching that place at what speed (in km/hr)? a 24 b. 27 c. 30 d. 36

8. Two guns are fired from the same place at an interval of 6 minutes. A person approaching the place observes that 5 minutes 52 seconds have elapsed between the hearing of the sound of the two guns. If the velocity of the sound is a. 24 330 m/sec, the man was approaching that place at what speed (in km/hr)? b. 27 c. 30 d. 36 8 330

9. Two gunshots were fired from the same place at an interval of 12 minutes, but a person in a train approaching towards the place of fire observes the second report 10 minutes after the first shot. Find speed of train if the speed of sound is 330 meters/sec. a. 66 m/sec b. 55 m/sec C. 50 m/sec d. None of these

10. Two gunshots were fired from the same place at an interval of 12 minutes, but a person in a train approaching towards the place of fire observes the second report 10 minutes after the first shot. Find speed of train if the speed of sound is 330 meters/sec. a. 66 m/sec b. 55 m/sec C. 50 m/sec d. None of these Tid 330 o 2 frae Lh