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CBSE Class 9 Answered

For moving train velocity-time graph is shown in the fig. (i) What is the maximum speed of the train and how long it is maintained? (ii) What are the accelerations in OA, AB and BC part? (iii) Find total distance travelled by the train.
Asked by Topperlearning User | 17 Jun, 2016, 03:15: PM
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Answered by | 17 Jun, 2016, 05:15: PM

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CBSE 9 - Physics
Time- 0 10 20 30 40 50 Speed- 5 10 15 20 25 30 Find the distance travelled in 50 seconds
Asked by akshatdhamija1409 | 15 Jul, 2022, 11:16: PM
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CBSE 9 - Physics
Starting from rest, an object is uniformly accelerated to a speed of 60m/s in 20s. The object travels with this speed for next 40s and is then brought to rest by a uniform retardation in the next 30s.Sketch velocity time graph and calculate the acceleration, retardation and the total distance travelled. Hint: acceleration =rate of change of velocity.  distance covered =area under velocity-time graph .
Asked by chaitanyas5425 | 10 Nov, 2021, 09:16: AM
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CBSE 9 - Physics
what is velocity time graph
Asked by akakhilesh15597 | 16 Sep, 2021, 08:37: PM
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CBSE 9 - Physics
  What information can you get from velocity time graph of an object’s motion? Write three points at least. 
Asked by jasmine09.05.2007 | 10 Jul, 2021, 07:47: PM
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CBSE 9 - Physics
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CBSE 9 - Physics
What is accerlated motion??
Asked by himani.299 | 28 Aug, 2020, 12:06: AM
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CBSE 9 - Physics
A car is moving with a velocity of 7m per second it's velocity decreasing at the rate of 2.5 metre per second s square. What
Asked by dishasarma2016 | 04 Jul, 2020, 09:15: AM
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CBSE 9 - Physics
A racing car starts from rest and has uniform acceleiation of 5m/sec ^2.If it travels for 20sec  ,find the final velocity at this instant  
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Asked by jsrashokkumar1978 | 30 May, 2020, 12:10: PM
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CBSE 9 - Physics
The velocity-time graph (v-t) of a car moving along a level road is shown below.Find the average speed of the car in the time interval 0 to 8 s.
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Asked by Santosh.kumar0317 | 25 Aug, 2019, 02:15: PM
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CBSE 9 - Physics
Draw v-t with the data given below and answer the questions below velocity (m/s) 0 10 20 30 20 10 0 time (s) 0 5 10 15 20 25 30 1. Calculate the acceleration during 0 to 15 seconds  2.calculate the acceleration during last 15 seconds    3. Calculate the total distance travelled by the object   
Asked by Anushivashv2 | 23 Jul, 2018, 04:37: PM
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