3 years ago

A car accelerates from rest for 8.0 s, and reaches a speed of 66 m/s. How far will the

Physics

1 answer:

PSYCHO15rus [73]3 years ago

3 0

Answer: C

Explanation:

Find the acceleration using this kinematic equation:

$v_f=v_i+at\\66=0+a*8\\a=8.25m/s^2$

Now use this kinematic equation to find the displacement:

$v_f^2=v_i^2+2a*d\\66^2=0^2+2(8.25)d\\4356=16.5d\\d=264m$

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