A gun is fired at a distance of 1.35 km
A gun is fired at a distance of 1.35 km from Mukul. She hears the sound after three seconds. The speed (in m/s) at which sound travels is:
मुकुल से 1.35 km की दूरी पर एक बंदूक चलाई जाती है। वह तीन सेकंड के बाद इसकी ध्वनि सुनती है। ध्वनि किस चाल (m/sमें) से यात्रा करती है?
Detailed Solution & Logic
Correct Answer:
450
Distance = 1.35 km = 1350 m
Time = 3 s
Speed of sound = $ \dfrac{1350}{3} = 450 $ m/s
Answer: 450 m/s
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