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Byju's Answer
Standard XII
Physics
Intro to Collision
A particle of...
Question
A particle of mass 'm' strikes a wall with speed 'v' at an angle 30 degree with the wall elastically . The magnitude of the impulse imparted to the ball by wall is ?
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Solution
i
n
i
t
i
a
l
m
o
m
e
n
t
u
m
i
n
x
d
i
r
e
c
t
i
o
n
p
x
=
m
v
cos
30
i
n
i
t
i
a
l
m
o
m
e
n
t
u
m
i
n
y
d
i
r
e
c
t
i
o
n
p
y
=
m
v
sin
30
f
i
n
a
l
m
o
m
e
n
t
u
m
i
n
x
d
i
r
e
c
t
i
o
n
p
x
=
m
v
c
o
s
30
f
i
n
a
l
m
o
m
e
n
t
u
m
i
n
y
d
i
r
e
c
t
i
o
n
p
y
=
-
m
v
s
i
n
30
c
h
n
a
g
e
i
n
m
o
m
e
n
t
u
m
i
n
x
d
i
r
e
c
t
i
o
n
=
0
c
h
a
n
g
e
i
n
m
o
m
e
n
t
u
m
i
n
y
d
i
r
e
c
t
i
o
n
=
2
m
v
sin
30
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