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a driver starts his parked car and within 5 seconds reaches a speed of 60km/h as he travels east. what is his acceleration

Sagot :

Arnfrsid
[tex] a = \tfrac{v}{t} [/tex]

[tex] a = \tfrac{60km/hr}{5s} [/tex]

[tex] a = \boxed{12 km/hr/s } [/tex]

Hope this helps :D
5 Sec -60Km
4 Sec -48Km
3 Sec -36Km    
2 Sec -24Km
1 Sec -12Km


12km/h per second

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