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Byju's Answer
Standard X
Physics
Static Equilibrium
a boy throws ...
Question
a boy throws a ball inside a long hall which is 9m high.if a person could throw the ball with maximum speed 10root5 m/s , the maximum horizontal range which would have been obtained under this condition could be?options 40m,46m,48m,50m
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Solution
Dear Student,
u
=
10
5
m
/
s
f
o
r
m
a
x
i
m
u
m
r
a
n
g
e
t
h
e
a
n
g
l
e
o
f
t
h
r
o
w
m
u
s
t
b
e
45
d
e
g
r
e
e
.
f
o
r
t
h
a
t
a
n
g
l
e
c
h
e
c
k
t
h
a
m
a
x
i
m
u
m
h
e
i
g
h
t
H
=
10
5
2
sin
2
45
2
g
=
500
40
=
12
.
5
m
h
e
n
c
e
i
t
i
s
n
o
t
p
o
s
s
i
b
l
e
.
H
=
9
m
f
i
n
d
t
h
e
t
a
9
=
10
5
2
sin
2
θ
2
g
sin
θ
=
18
g
500
=
0
.
6
,
cos
θ
=
0
.
8
r
a
n
g
e
R
=
10
5
2
2
sin
θ
cos
θ
g
=
500
*
2
*
0
.
6
*
0
.
8
10
=
48
m
R
e
g
a
r
d
s
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