I drop a penny from the top if tower at the front of Fort Collins high school and it takes 1.85 seconds to hit the ground calculate the velocity in m/s after 1.10 seconds of frefall and calculate the velocity at Impact I'm mi/hr

Question

Physics

Braelyn Mills

29 October, 04:00

I drop a penny from the top if tower at the front of Fort Collins high school and it takes 1.85 seconds to hit the ground calculate the velocity in m/s after 1.10 seconds of frefall and calculate the velocity at Impact I'm mi/hr

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Josue Hester · Answer 1

Velocity after 1.10 s of free fall: vf = vi + at = 0 + (9.81 m/s^2) (1.10s) = 10.8 m/s Velocity at impact: vf = vi + at = 0 + (9.81 m/s^2) (1.85s) = 18.1 m/s or (18.1 x 2.237) mi/hr = 40.5 mi/hr