Hi i am seeking help to solve the following Physicsproblem. A rock is thrown dir

Question

Hi i am seeking help to solve the following Physicsproblem. A rock is thrown directly upward from the edge of the roof ofa building that is 37.5 m tall. The rock misses the building itsway down, and is observed to strike the ground 4.00 seconds afterbeing thrown. Take the acceleration due to gravity to havemagnitude 9.80 m/s^2 and neglect any effects of air resistance.With what speed the rock was thrown. Hi i am seeking help to solve the following Physicsproblem. A rock is thrown directly upward from the edge of the roof ofa building that is 37.5 m tall. The rock misses the building itsway down, and is observed to strike the ground 4.00 seconds afterbeing thrown. Take the acceleration due to gravity to havemagnitude 9.80 m/s^2 and neglect any effects of air resistance.With what speed the rock was thrown.

Explanation / Answer

Let the position the rock was thrown from be the origin. y = vyot + (1/2)at2 Known variables: y = -37.5 m a = -9.80 m/s/s t = 4.00 s Put them in the equaition and solve for vyo toget vyo = 10.35 m/s Known variables: y = -37.5 m a = -9.80 m/s/s t = 4.00 s Put them in the equaition and solve for vyo toget vyo = 10.35 m/s

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