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Physics
Physics
Problem
Which of the following kinematic relations is dimensionally correct? a)
v
=
u
+
1
2
a
t
2
v = u + \dfrac{1}{2}at^{2}
v
=
u
+
2
1
a
t
2
b)
s
=
u
t
+
1
2
a
t
2
s = ut + \dfrac{1}{2}at^{2}
s
=
u
t
+
2
1
a
t
2
c)
v
2
=
u
2
+
2
a
t
v^{2} = u^{2} + 2at
v
2
=
u
2
+
2
a
t
d)
s
=
u
+
1
2
a
t
2
s = u + \dfrac{1}{2}at^{2}
s
=
u
+
2
1
a
t
2
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