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CBSE Class 9 Answered

A particle starts from a point with a velocity of +6.0m/s and move with an acceleration of -2.0m/s^2. Show that after 6 seconds the particle will be at the starting point.
Asked by Ayush | 03 Apr, 2015, 06:58: PM
answered-by-expert Expert Answer
Answered by Romal Bhansali | 06 Apr, 2015, 11:01: AM

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CBSE 9 - Physics
why is it necessary for acceleration to be based on velocity but not on speed? why we dont consider the increasing speed of rectilinear motion as acceleration? why is it so in the first place?
Asked by kempersi267k | 01 Jul, 2022, 06:36: PM
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CBSE 9 - Physics
what is retardation
Asked by hd2583188 | 02 Jun, 2022, 05:04: AM
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CBSE 9 - Physics
True or false: The motion of a freely falling body is an example of uniformly accelerated motion.
Asked by juhi.panchal | 05 May, 2022, 11:26: AM
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CBSE 9 - Physics
A car increases it’s speed from 36km/h to 54km/h in 2s Find Distance travelled by the car
Asked by grangerhermione951 | 02 Dec, 2021, 08:32: AM
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CBSE 9 - Physics
A Car with an initial speed of 1 m/sec was in motion for 10 minutes, and then it came to a stop, the velocity right before it stopped was 5 m/sec. What was the constant acceleration of the car?  
Asked by psdarshan25082007 | 08 Sep, 2021, 08:14: PM
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CBSE 9 - Physics
A boy travelling in a car at a speed of 108Km/h came to rest after applying breaks. Before coming to rest it covers 30m. It's acceleration is
Asked by 2103030034 | 28 Aug, 2021, 03:06: PM
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CBSE 9 - Physics
A force acts for 10 secs on a stationary body of mass 100kg after which the force ceases to act. The body moves through a distance of 100m in the next 5 secs. Calculate:- i) the velocity acquiured by the body ii) the acceleration producced by the force iii) the magnitude of the force
Asked by atmojyotibarman7 | 30 Jul, 2021, 03:27: PM
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CBSE 9 - Physics
use the below v-t graph calculate, (a)the acceleration of the body as it moves from 0 to A (b)the distance covered by the body from o to a c THE acceleration of the body from B TO C
question image
Asked by vikaashrajan11 | 28 Jul, 2021, 09:55: PM
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CBSE 9 - Physics
A train starting from rest attains a velocity of 72 km/hr in 5 minutes. Assuming that the acceleration is uniform find the acceleration. *
Asked by jainpranav33047 | 20 Jul, 2021, 09:28: AM
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CBSE 9 - Physics
Give one example for each of the type of motion when i) Acceleration is in the direction of motion ii) Acceleration is against the direction of motion iii) Acceleration is uniform
Asked by ansh231206bhatia | 29 May, 2021, 03:42: PM
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