how does dr. herrriot treat tricti?
Answers
Answer:
Solution :-
Given :
A velocity → time graph of a particle is provided.
To Find :
Value of acceleration of particle along OA, AB and BC.
Concept :
Acceleration is defined as ratio of change in velocity to the time interval.
Acceleration is a vector quantity.
Mathematically,
\underline{\boxed{\bf{\pink{a=\dfrac{\triangle{v}}{\triangle{t}}}}}}
a=
△t
△v
Calculation :
Acceleration along OA
\begin{lgathered}\implies\sf\:a=\dfrac{10-0}{10-0}\\ \\ \implies\sf\:a=\dfrac{10}{10}\\ \\ \implies\boxed{\bf{\red{a=1\:ms^{-2}}}}\end{lgathered}
⟹a=
10−0
10−0
⟹a=
10
10
⟹
a=1ms
−2
Acceleration along AB
\begin{lgathered}\mapsto\sf\:a=\dfrac{10-10}{20-10}\\ \\ \mapsto\sf\:a=\dfrac{0}{10}\\ \\ \mapsto\boxed{\bf{\blue{a=0\:ms^{-2}}}}\end{lgathered}
↦a=
20−10
10−10
↦a=
10
0
↦
a=0ms
−2
Acceleration along BC
\begin{lgathered}\leadsto\sf\:a=\dfrac{0-10}{40-20}\\ \\ \leadsto\sf\:a=\dfrac{-10}{20}\\ \\ \leadsto\boxed{\bf{\green{a=-0.5\:ms^{-2}}}}\end{lgathered}
⇝a=
40−20
0−10
⇝a=
20
−10
⇝
a=−0.5ms
−2
✴ Negative sign shows retardation.
Answer:
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