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Physics
Problem
Which of the following relations is dimensionally incorrect? (A)
v
=
u
+
a
t
v = u + at
v
=
u
+
a
t
(B)
v
2
=
u
2
+
2
a
s
v^2 = u^2 + 2as
v
2
=
u
2
+
2
a
s
(C)
s
=
u
t
+
1
2
a
t
2
s = ut + \frac{1}{2}at^2
s
=
u
t
+
2
1
a
t
2
(D)
v
=
u
+
a
s
v = u + as
v
=
u
+
a
s
(A)
v
=
u
+
a
t
v = u + at
v
=
u
+
a
t
(B)
v
2
=
u
2
+
2
a
s
v^2 = u^2 + 2as
v
2
=
u
2
+
2
a
s
(C)
s
=
u
t
+
1
2
a
t
2
s = ut + \frac{1}{2}at^2
s
=
u
t
+
2
1
a
t
2
(D)
v
=
u
+
a
s
v = u + as
v
=
u
+
a
s
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