Pratyush
from
GMA Dubai, Dubai
Subject :NSO Class : Class 7
In a 100 m race, Gaurav and Sachin reached the finishing line at the same time. Which of the following are possible graphs to show that both competitors reached the finishing line at time t?
A(i) and (ii) only
B(i) and (iii) only
C(ii) and (iii) only
D(i), (ii) and (iii)
ans should be c then why d
Ans 3:
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Himanish Basu
from
Army Public School Kamaraj Road, Bangalore
Class : Class 7
In 3, two traingles are not congruent.So,answer is A.
Ans 4:
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Anay Paresh Patil
from
Akshara International School, Pune
Class : Class 8
it should be D) (i), (ii) and (iii) because all of them show them end at same time
Ans 5:
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LAVANYA DADHWAL
from
BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 7
THE CORRECT ASNWER SHOULD BE C because in (i) Sachin's starts the race from a non-zero speed which is practically impossible when a race starts
Ans 6:
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Ans 7:
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Soumyajit Roy
from
Delhi Public School Jamnagar, Jamnagar
Class : Class 9
But at 1 sachin is at rest
Ans 8:
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Shuvangi Das
from
Vivekananda mission school, haldia
Class : Class 9
Sachin in 1st one is at a constant speed from a particular period of time, till he finished his race.
Ans 9:
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SOMDATTA BHATTACHARYA
from
Delhi Public School, Dhaligaon, Bongaigaon
Class : Class 5
IN NO. 1 IS NOT SACHIN AT REST ?