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Byju's Answer
Standard XII
Physics
Instantaneous Velocity
A particle mo...
Question
A particle moves in the x-y plane with the velocity
→
v
=
a
^
i
+
b
t
^
j
. AT the instant t=
a
√
3
/
b
the magnitude of tangential, normal and total acceleration are _______, _________, & ________.
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Solution
−
−
→
a
n
e
t
=
→
d
v
d
t
=
b
ˆ
j
v
=
s
p
e
e
d
=
√
a
2
+
b
2
+
t
2
a
t
=
d
v
d
t
=
1
2
√
a
2
+
b
2
+
t
2
(
b
2
×
2
t
)
b
u
t
t
=
a
√
3
b
a
t
=
b
2
×
a
√
3
b
√
a
2
+
b
2
×
a
2
×
3
b
2
=
b
√
3
2
−
−
→
a
n
e
t
=
→
a
t
+
→
a
n
a
n
d
d
i
r
e
c
t
i
o
n
o
f
→
a
t
&
→
a
n
w
i
l
l
b
e
p
e
r
p
e
n
d
i
c
u
l
a
r
t
o
e
a
c
h
o
t
h
e
r
−
−
→
a
n
e
t
=
√
a
2
t
+
a
2
n
b
=
√
(
b
√
3
2
)
2
+
a
2
n
a
2
n
=
b
2
−
3
b
2
4
=
b
2
4
a
n
=
b
2
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