Question

Answer the question with explanation and describe your answer.​

Answer 1

Answer:

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Answer 2

$\huge{\bold{\underline{\underline{....Answer....}}}}$

$\huge{\bold{\underline{Given:-}}}$

• Mass of the body (m) = 15 Kg.
• Velocity of the body (v) = 4 m/s.

$\huge{\bold{\underline{Explanation:-}}}$

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Applying Kinetic energy Formula,

$\large{\boxed{\tt K.E = \dfrac{1}{2}mv^2}}$

Substituting the values,

$\large{\tt K.E = \dfarc{1}{2} \times 15 \times (4)^2}$

$\large{\tt K.E = \dfrac{1}{2} \times 15 \times 16}$

$\large{\tt K.E = \dfrac{1}{\cancel{2}} \times 15 \times \cancel{16}}$

$\large{\tt K.E = 1 \times 15 \times 8}$

$\large{\tt K.E = 15 \times 8}$

$\huge{\boxed{\boxed{\tt K.E = 120 \: J}}}$

So, the Kinetic energy possessed by the object is 120 Joules.

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Additional formulas and information:-

• $\large{\tt W = F.S}$
• $\large{\tt P.E = mgh}$
• Area under Force - displacement graph gives the work done by the body.
• If the work done is changing w.r.t time then the formula used is $\large{\bold{ W = \displaystyle\int F.ds}}$

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