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a car is travelling at 18m/s accelerates ti 30m/s in 3seconds. what's the acceleration of the car​

Sagot :

KimYuriiidn

[tex] \Large {\underline { \sf {Required \; Solution :}}}[/tex]

We have ―

  • Initial velocity, u = 18 m/s
  • Final velocity, v = 30 m/s
  • Time taken, t = 3 seconds

We've been asked to calculate acceleration.

[tex]\qquad \implies\boxed{\red{\sf{ a = \dfrac{v-u}{t} }}}\\[/tex]

  • a denotes acceleration
  • v denotes final velocity
  • u denotes initial velocity
  • t denotes time

[tex] \twoheadrightarrow \quad \sf {a = \dfrac{30-18}{3} \; ms^{-2} } \\ [/tex]

[tex] \twoheadrightarrow \quad \sf {a =\cancel{ \dfrac{12}{3} \; ms^{-2} }} \\ [/tex]

[tex]\twoheadrightarrow \quad \boxed{\red{\sf{ a = 4 \; ms^{-2} }}}\\[/tex]

Therefore, acceleration of the car is 4 m/s².

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