Physics - Kinematics Question with Solution | TestHub

PhysicsKinematics1-DMedium2 minQB

PhysicsMediumsingle choice

The velocity of a particle on the $x$ -axis is $v = x^{2} + 2 x$ (SI units). Its acceleration at $x = 1$ m is:

Answer:

Solution:

$a = v \frac{d v}{d x} = (x^{2} + 2 x) (2 x + 2)$ . At $x = 1$ : $a = (1 + 2) (2 + 2) = 3 \times 4 = 12 m / s^{2}$ . Option C.

Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:1-D

⏱ 2mℹ️ Source: QB

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