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A car of mass 1200kg travelling @ 72 km/h is brought to rest in 4s and has a deceleration of 5m/s find the distance moved during the deceleration

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72 km/hr = 20.0 m/s

Average velocity during deceleration = 10 m/s.

10 m/s * 4 s = 40 meters.

The mass and deceleration rate data are not needed.

5m/s

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