# Answer to Question #64352 in Other Physics for sundus

Question #64352

A car moving at 50 km/h accelerates to 60 km/h in 7.0 seconds. Determine its acceleration.

Expert's answer

a = (v_f - v_i) / t,

where

v_f is the final velocity;

v_i is the initial velocity;

t is the time interval.

60 km/h = 16.67 m/s;

50 km/h = 13.89 m/s.

a = (16.67 - 13.89) / 7.0 = 0.41 m/s

where

v_f is the final velocity;

v_i is the initial velocity;

t is the time interval.

60 km/h = 16.67 m/s;

50 km/h = 13.89 m/s.

a = (16.67 - 13.89) / 7.0 = 0.41 m/s

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