5. The speed of sound is 330 m/sec. Express this in km/hour. How long will the sound
take to travel 30 km?
6. Two cyclists A and B start from the same point and at the same time with speed
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Answer:
91.66km/hr
Step-by-step explanation:
330*5/18
165*5/9
55*5/3
91.66km/hr
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