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Which one of the following expressions gives the average acceleration of a body whose…
PHYSICS · Single correct · CBSE · Physics · Motion · Motion
Problem
Which one of the following expressions gives the average acceleration
a
a
a
of a body whose velocity changes from
u
u
u
to
v
v
v
in time
t
t
t
? (a)
a
=
v
+
u
t
a = \dfrac{v + u}{t}
a
=
t
v
+
u
(b)
a
=
v
t
a = \dfrac{v}{t}
a
=
t
v
(c)
a
=
v
−
u
t
a = \dfrac{v - u}{t}
a
=
t
v
−
u
(d)
a
=
u
−
v
t
a = \dfrac{u - v}{t}
a
=
t
u
−
v
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