A car accelerates from 25 km/hr in 30 seconds. what Is the acceleration?

2 answers:

7 0

Acceleration is units of distance per time squared, take speed divided by time:

(25 km/hr)/(30 sec) = 0.833 km/hr/sec

these units aren't very helpful, so convert to units more likely to represent what your measuring. probably meters per seconds squared:

(0.833 km/hr/sec)*(1 hr/ 3600sec)*(1000m/km) = 0.23 m/s^2

kaheart [24]2 years ago

6 0

25 km/hr = 6,9 m/s
acceleration = 6,9 / 30 = 0,23

<u>acceleration = 0,23 m / s²</u>

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