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KEAM 2023 Physics and Chemistry Solved Paper
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© examsnet.com
Question : 1
Total: 120
A projectile is thrown at a speed
V
and at an angle
θ
with the horizontal. If the speed at its maximum height is
V
3
, then the value of
tan
θ
is :
√
3
1
√
3
2
√
2
3
3
√
3
Validate
Solution:
u
cos
θ
v
cos
θ
=
v
3
cos
θ
=
1
3
tan
θ
=
√
s
e
c
2
θ
−
1
=
√
3
2
−
1
=
√
8
=
2
√
2
© examsnet.com
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