Subject :NSO Class : Class 1
Subject :NSO Class : Class 7
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 7
Ans 2:
Class : Class 8
it should be D) (i), (ii) and (iii) because all of them show them end at same time
Ans 3:
Class : Class 9
Sachin in 1st one is at a constant speed from a particular period of time, till he finished his race.
Ans 8:
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
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 4
Ans 3:
Class : Class 8
the answer should be b as frictional force prevents us from slipping. it does not help us to walk on the ground
Ans 5:
Class : Class 4
Is wrong because friction does not help us to walk. Even without friction, we can walk but not without gravity.
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Subject :NSO Class : Class 7