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5. A motor car starts to move at zero velocity and passes the first kilometer with an acceleration a and the second with an accelerationa2. Its velocity increases by 10 m/s over the first kilometer and by 5 m/s over the second kilometer. Which acceleration is higher: a, or a2? Determine these accelerations.

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13 し以v2.eu2 t 2a 5 ←) lU0こ2(a) ( )oro 0.05 m)s 2. 2 2 2S 2

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