Question
For a moving body at any instant of time
$(B)$ A slowing body has positive retardation.
$(C)$ Distance travelled is always positive, irrespective its motion.
$(D)$ From second law of kinematics,
$x=x_0+u t+\frac{1}{2} a^2$
By knowing $u , a$ and $x _0$ at instant $t =0$ we can determine $x$ at any $t$.
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| List $I$ | List $II$ |
| $A$ $AC$ generator | $I$ Presence of both $L$ and $C$ |
| $B$ Transformer | $II$ Electromagnetic Induction |
| $C$Resonance phenomenon to occur | $III$ Quality factor |
| $D$Sharpness of resonance | $IV$ Mutual Inductance |
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