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CBSE Class 12-science Answered

Helo
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Asked by jain.pradeep | 01 May, 2019, 07:17: PM
answered-by-expert Expert Answer
I    - slope of graph-I    =  velocity / time = acceleration
II   - slope of graph II   = Force / Spring extension = Spring constant
III  - slope of graph-III  = Force / Mass = acceleration
IV  - slope of graph-IV = acceleartion / velocity = reciporocal of time
 
hence slope of grpah-I and graph-III gives same physical quantity , i.e., acceleration
 
Area under the graph :-
 
for graph-I, Area = begin mathsize 12px style integral v left parenthesis t right parenthesis d t end style = distance travelled
for graph-II, Area = begin mathsize 12px style integral F left parenthesis x right parenthesis space d x space end style = Workdone or stored potential energy in the spring
for graph-III, Area = begin mathsize 12px style integral F o r c e cross times c h a n g e space i n space m a s s end style . No specific physical quantity
for graph-IV, Area = integralacceleration × change in velocity = power / unit mass
There is no common physical quantity among the area under the curve of all the graphs
 
 
 
Answered by Thiyagarajan K | 02 May, 2019, 11:12: AM

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