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CBSE Class 9 Answered

can acceleration and retardation be the same when the object is at motion?
Asked by Sai Seravan Bodipudi | 31 May, 2013, 10:27: AM
answered-by-expert Expert Answer
When the object is in motion, then at any given time, either it can have accerleration, retardation or no change in velocity i.e. 0 acceleration. It can't have acceleration and retardation at the same time for that would mean that there is either a resultant acceleration or retardation or 0 acceleration depending on their relative magnitude. However, it can have both acceleration and retardation during its motion at different time points. 
Answered by | 31 May, 2013, 07:56: PM

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