Answered

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3. An airplane taking off increases its velocity from 10.0 m/s to 100.0 m/s in 2.0 s. What is the
acceleration of the plane at this point?

Sagot :

[tex] \huge\boxed{ \mathcal{ \purple{Solution :}}}[/tex]

we know,

[tex] \boxed{a = \frac{v - u}{t} }[/tex]

where,

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

so,

[tex]\longmapsto{a = \dfrac{100 - 10}{2} }[/tex]

[tex]\longmapsto{a = \dfrac{90}{2} }[/tex]

[tex]\longmapsto{ \boxed{ \mathfrak{ a = 45 \: ms {}^{ - 2} }}}[/tex]

Acceleration = 45m/s²

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