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  • Can someone explain Which graph corresponds to an object moving with a constant negative acceleration and a positive velocity ?

Which graph corresponds to an object moving with a constant negative acceleration and a positive velocity ?

 

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

 

Answers (1)

best_answer

As we learnt in

Uniform velocity,Non uniform Velocity -

Uniform velocity

If equal displacement are covered in equal intervals of time.

Non uniform velocity

If equal displacement are covered in unequal intervals of time.

- wherein

More to know :

For uniform motion along a straight line, the average and instantaneous velocities have the same values.

 

 given a = -c

\frac{dv}{dt}= -c\ \: or\ \frac{dv}{dx}\times \frac{dx}{dt}=-c  

vdv = -cdx \: \: or \int vdv=-c\int dx

\frac{v^2}{2}= -cx +k

x=-\frac{v^2}{2c}+\frac{k}{c}

From this equation we conclude option 2 is correct.


Option 1)

Incorrect

Option 2)

Incorrect

Option 3)

Incorrect

Option 4)

Correct

Posted by

SudhirSol

View full answer

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