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Which of the following correctly expresses the displacement of a particle that moves…
PHYSICS · Single correct · CBSE · Physics · Motion · Motion
Problem
Which of the following correctly expresses the displacement
Δ
x
\Delta x
Δ
x
of a particle that moves from position
x
1
x_1
x
1
to position
x
2
x_2
x
2
along a straight line? (a)
Δ
x
=
∣
x
2
−
x
1
∣
\Delta x = |x_2 - x_1|
Δ
x
=
∣
x
2
−
x
1
∣
(b)
Δ
x
=
x
2
−
x
1
\Delta x = x_2 - x_1
Δ
x
=
x
2
−
x
1
(c)
Δ
x
=
x
1
+
x
2
2
\Delta x = \dfrac{x_1 + x_2}{2}
Δ
x
=
2
x
1
+
x
2
(d)
Δ
x
=
x
1
−
x
2
\Delta x = x_1 - x_2
Δ
x
=
x
1
−
x
2
Related theory
Position, Displacement & Vector Equality
Distance, velocity and acceleration
Motion in a straight line
Speed, velocity and acceleration
Distance and displacement
Motion
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