CBSE Class 9 Answered
Choose the correct words from the following list to describe the motion during each part of the journey of a bus: accelerating, decelerating, steady speed, stationary.
Asked by Topperlearning User | 18 May, 2015, 01:24: PM
Expert Answer
O-A: The bus is accelerating. Its speed increases from 0 to 20 m/s in 10 seconds.
A-B: The bus is moving at a steady speed of 20 m/s for 10 seconds.
B-C: The bus is decelerating. Its speed decreases from 20 m/s to 0 in 6 seconds.
C-D: The bus is stationary. It has stopped.
D-E: The bus is accelerating. Its speed is gradually increasing from 0 to 10 m/s.
E-F: The bus is moving at a steady speed of 10 m/s.
Answered by | 18 May, 2015, 03:24: PM
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