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Which of the following expressions gives the average velocity of an object whose…
PHYSICS · Single correct · CBSE · Physics · Motion · Motion
Problem
Which of the following expressions gives the average velocity
v
ˉ
\bar v
v
ˉ
of an object whose velocity changes uniformly from an initial value
u
u
u
to a final value
v
v
v
? (a)
v
2
−
u
2
2
v
\dfrac{v^{2}-u^{2}}{2v}
2
v
v
2
−
u
2
(b)
u
v
\sqrt{uv}
uv
(c)
u
+
v
2
\dfrac{u+v}{2}
2
u
+
v
(d)
2
u
v
u
+
v
\dfrac{2uv}{u+v}
u
+
v
2
uv
Related theory
Uniform Motion & Constant Acceleration in 1D
Kinematic Equations
Equations of motion
Equations of motion and numerical applications
Motion
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