1. Tardigrade
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  4. Two cars C1 and C2 are moving in the same direction on a straight single lane road with constant velocities 12 m / s and 10 m / s, respectively. When the separation between the two was 200 m , C2 started accelerating to avoid collision. The minimum acceleration (in cm / s 2 ) of car C2 so that they don't collide, is

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Q. Two cars $C_{1}$ and $C_{2}$ are moving in the same direction on a straight single lane road with constant velocities $12\, m / s$ and $10\, m / s$, respectively. When the separation between the two was $200 \, m , C_{2}$ started accelerating to avoid collision. The minimum acceleration (in $cm / s ^{2}$ ) of car $C_{2}$ so that they don't collide, isPhysics Question Image

Motion in a Straight Line

Solution:

$v^{2}=u^{2}-2 a s$
$0=4-2 \times a \times 200$
image
$a=\frac{1}{100} \,m / s ^{2}$
$a=1\, cm / s ^{2}$