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Mathematics 7 Online
OpenStudy (anonymous):

s=4.9t^2+v0t an object is thrown downward 500m with initial velocity of 4m/sec how long does it takes for the object to reach the ground

OpenStudy (anonymous):

substitute v0=4 and s=500 and then solve the quadratic equation 4.9t^2+4t-500=0

OpenStudy (anonymous):

take positive answer as the time it takes

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