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2.Motion in Straight Line
easy
What is retardation ?
Option A
Option B
Option C
Option D
Solution
When the velocity decreases with respect to time it is termed as retardation or deceleration
In reality negative acceleration is commonly called retardation Its $SI$ unit is $m / s ^2$
Standard 11
Physics
Similar Questions
In the $s-t$ equation $\left(s=10+20 t-5 t^2\right)$, match the following columns.
Colum $I$ | Colum $II$ |
$(A)$ Distance travelled in $3\,s$ | $(p)$ $-20$ units |
$(B)$ Displacement in $1\,s$ | $(q)$ $15$ units |
$(C)$ Initial acceleration | $(r)$ $25$ units |
$(D)$ Velocity at $4\,s$ | $(s)$ $-10$ units |
medium
medium