physics

a steel ball dropped from a tower strikes the ground in 3.0 seconds. Find the velocity with which the ball strikes the ground and the height of the tower in meters.

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asked by roger
  1. vf=vi+aΔt
    =0-9.8*3
    =-29.4 m/s

    Distance
    =average velocity*time
    =-14.7*3
    =-44.1 m

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  2. 78

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