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KVPY SA Exam 2013 Question Paper
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© examsnet.com
Question : 20
Total: 80
Two stones of mass
m
1
and
m
2
(such that
m
1
>
m
2
) are dropped At time apart from the same height towards the ground. At a later time t the difference in their speed is ΔT and their mutual separation is ΔS. While both stones are in flight
ΔV decreases with time and ΔS increases with time
Both ΔT and ΔS increase with time
ΔV remains constant with time and ΔS decreases with time
ΔV remains constant with time and ΔS increases with time
Validate
Solution:
ΔV = Const & ΔS increases with time
© examsnet.com
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