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  • Need explanation for: A body is falling from a height h. After it has fallen a height h/2 , it will possess

A body is falling from a height h. After it has fallen a height h/2 , it will possess
 

  • Option 1)

    only potential energy
     

  • Option 2)

    only kinetic energy
     

  • Option 3)

    half potential and half kinetic energy

  • Option 4)

    more kinetic and less potential energy
     

 

Answers (3)

best_answer

As we discussed in

Kinetic energy -

k= \frac{1}{2}mv^{2}

- wherein

m\rightarrow mass

v\rightarrow velocity

kinetic Energy is never negative

 

 

Potential Energy -

U_{f}-U_{i}= \int_{r_{i}}^{r_{f}}\vec{f}\cdot \vec{ds}

- wherein

U_{f}-final\: potential\: energy

U_{i}-initial \: potential\: energy

f-force

ds-small \: displacement

r_{i}-initial \: position

r_{f}-final\: position

 

 half potential and half kinetic energy


Option 1)

only potential energy
 

Option is incorrect

Option 2)

only kinetic energy
 

Option is incorrect

Option 3)

half potential and half kinetic energy

Option is correct

Option 4)

more kinetic and less potential energy
 

Option is incorrect

Posted by

Plabita

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Option 3

Posted by

abirsatsangi

View full answer

Half potential and half kinetic energy

 

Posted by

Shweta

View full answer

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