Physics - Kinematics Question with Solution | TestHub

PhysicsKinematics1-DMedium2 minQB

PhysicsMediummultiple choice

If initial velocity of the particle is $2.5 m / s$ , the particle will be moving along the positive direction :-

Answer:

A, C

Solution:

At $t = 0, v = 2.5 m / s$

For $0 \leq t \leq 2, Δ v =$ area $= - 2.5$

$∴ v_{2} = 2.5 - 2.5 = 0$

$\Rightarrow$ for $0 \leq t \leq 2$

particle moves in positive direction

At $t = 4 sec, v = 0$ and for $t > 4 sec, Δ v$ is positive ⇒ v is positive

Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:1-D

⏱ 2mℹ️ Source: QB

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