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Answer these questions given below.
Subject = 'Physics'
Chapter = 'Motion'
Question1:) A bus decreases it's speed from 80 km/h to 60 km/h in 5 seconds. Find the acceleration of the bus
Question 2:) A train starting from a railway station and moving from with a uniform acceleration attains a speed a speed 40 km/h in 10 minutes. Find its acceleration.
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Answer:
Answer for 1st question:
The acceleration of the bus that decreases its speed from 80 kilometers per hour to 60 km per hour in 5 seconds is -1.12m/s.
Answer for 2nd question:
Answer Expert Verified
Final speed of the train, v = 40 km/h = × 40 = 11.11 m/s. Time taken to attain the speed = 10 minutes = 10 × 60 = 600 sec. Acceleration of the train. Hence, Acceleration of the train is 0.0185 m/s².
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