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 1:
Class : Class 8
it should be D) (i), (ii) and (iii) because all of them show them end at same time
Ans 2:
Class : Class 8
Ans 3:
Class : Class 7
In 3, two traingles are not congruent.So,answer is A.
Ans 4:
Class : Class 10
Ans 5:
Class : Class 6
Ans 6:
Class : Class 9
Sachin in 1st one is at a constant speed from a particular period of time, till he finished his race.
Ans 7:
Class : Class 5
IN NO. 1 IS NOT SACHIN AT REST ?
Ans 8:
Class : Class 9
But at 1 sachin is at rest
Ans 9:
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