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JEE Main Physics Class 11 Laws Of Motion Part 1 Questions
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Question : 34
Total: 100
A ball is thrown vertically up (taken as + z-axis) from the ground. The correct momentum-height (p-h) diagram is:
[9 April 2019 I]
Validate
Solution:
v
2
=
u
2
−
2
g
h
or
v
=
√
u
2
−
2
g
h
Momentum,
P
=
m
v
=
m
√
u
2
−
2
g
h
At
h
=
0
,
P
=
m
u
and at
h
=
u
2
f
,
P
=
0
upward direction is positive and downward direction is negative.
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