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How long will it take a car to go from a complete stop to 44 km/hr if they are accelerating at 5 km/hr?

Respuesta :

Solution :-

Given that ,

  • Initial Velocity of car = 44km / hr.
  • Final Velocity of car = 0km / hr.
  • Acceleration = -5km/hr².

To Find :

  • Time taken to stop the car .

So , here use first equⁿ of motion which is ,

[tex]\boxed{\red{\bf\dag v = u + at }}[/tex]

where ,

  • v is final Velocity.
  • u is Initial velocity.
  • a is acceleration.
  • t is time taken.

Now , substituting the respective values ,

[tex]\tt:\implies v=u+at[/tex]

[tex]\tt:\implies 0 = 44 + (-5)t[/tex]

[tex]\tt:\implies -44 = -5t [/tex]

[tex]\tt:\implies t=\dfrac{44}{5}[/tex]

[tex]\underline{\boxed{\red{\tt \longmapsto Time\:\:=\:\:8.8hrs.}}}[/tex]

[tex]\boxed{\green{\bf\pink{\dag} Hence\:time\:taken\:to\:stop\:the\:car\:is\:8.8hrs.}}[/tex]

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