PF Kinematics BYU 2

Channel:
India Santosh Sir IITK (Apex Physics)
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Published on ● Video Link: https://www.youtube.com/watch?v=HvBye6li4C8


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One day you were on a picnic with your class. During return journey from the picnic spot to your school, it began to rain, therefore the driver reduced speed of the bus and drove with an average speed v1 = 60 km/h instead of the scheduled average speed vo = 70 km/h. After the rain stopped, the driver drove the bus at an average speed v2 = 75 km/h and covered the remaining s = 40 km exactly in scheduled time. How long did it rain ?

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