An object starts from rest and accelerates at a rate of 3.0 m/s/s for 6.0 seconds. The velocity at the end of the 6.0 seconds is

A. 0.50 m/s
B. 1.0 m/s
C. 2.0 m/s
D. 18 m/s

Respuesta :

vf=vi+at
=0+3×6
=18m/s

the answer is D.

At the end of the 6.0 seconds, the velocity will be "18 m/s".

According to the question, the values are:

Acceleration,

  • a = 3.0 m/s²

Time,

  • t = 6.0 seconds

Initial velocity,

  • [tex]v_i[/tex] = 0

As we know,

→ [tex]v_f=v_i+at[/tex]

By substituting the given values, we get

       [tex]= 0+3\times 6[/tex]

       [tex]=0+18[/tex]

       [tex]= 18 \ m/s[/tex]

Thus the above answer i.e., option D is the correct one.

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