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NEET Odisha 2019 Physics and Chemistry
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© examsnet.com
Question : 19
Total: 90
Two bullets are fired horizontally and simultaneously towards each other from roof tops of two buildings
100
m
apart and of same height of
200
m
with the same velocity of
25
m
∕
s
. When and where will the two bullets collide.
(
g
=
10
m
∕
s
2
)
[NEET OD 2019]
after
2
s
at a height
180
m
after
2
s
at a height of
20
m
after
4
s
at a height of
120
m
they will not collide
Validate
Solution:
👈: Video Solution
t
=
d
v
rel
=
100
50
=
2
s
y
=
−
1
2
gt
2
=
−
1
2
×
10
×
4
=
−
20
∴
Height
=
180
m
© examsnet.com
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