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Standard XII
Physics
Displacement in 2D Motion
Projectile mo...
Question
Projectile motion is a 3-dimensional motion
Projectile motion (at low speeds) is uniformly accelerated motion.
A
True
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B
False
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Solution
The correct option is
A
True
Let a stone is projected with velocity
u
making an angle
θ
with the horizontal.
Acceleration of the stone in x direction
a
x
=
0
Acceleration of the stone in y direction
a
y
=
−
g
Net acceleration
a
=
−
g
=
c
o
n
s
t
a
n
t
(in -ve y direction)
Hence projectile motion is an uniformly accelerated motion.
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Deduce the equations of a uniformly accelerated motion in one dimension by calculus method.
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→
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