JEE Main 2020 — Laws Of Motion Question with Solution
From: JEE Main 2020 (Online) 6th September Evening Slot
Question
A particle moving in the xy plane experiences a velocity dependent force
, where vx and vy are the
x and y components of its velocity . If is the
acceleration of the particle, then
which of the following statements is true for the particle?
, where vx and vy are the
x and y components of its velocity . If is the
acceleration of the particle, then
which of the following statements is true for the particle?
Choose an option
Show full solutionCorrect option: B
Correct answer
Bquantity
is constant in time
Step-by-step explanation
Given
m =
Also
and
= Constant
From Option (B),
=
=
=
= Constant
m =
Also
and
= Constant
From Option (B),
=
=
=
= Constant
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