The speed of a bullet as it travels down the barrel of a, Ask an Expert

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The speed of a bullet as it travels down the barrel of a gunis given by v=-50000t2-300t where v is in km/s and t inseconds The acceleration of the bullet as it leaves the gun is zero.

a) determine the acceleration and position functions of the bullet.

b) what is the length of the barrel?

Please show steps and formulas used

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