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W 5. A 2 kg ball falls 2kg ball falls out a window (from rest); there is a sidewalk 6 m below m.( 9.8m/s) a. (1 mark) Wh
Posted: Sun Jul 17, 2022 7:55 pm
by answerhappygod
- W 5 A 2 Kg Ball Falls 2kg Ball Falls Out A Window From Rest There Is A Sidewalk 6 M Below M 9 8m S A 1 Mark Wh 1 (306.13 KiB) Viewed 37 times
W 5. A 2 kg ball falls 2kg ball falls out a window (from rest); there is a sidewalk 6 m below m.( 9.8m/s) a. (1 mark) What is his speed just before his feet strike the pavement? b. (1 mark)Calculate the initial potential energy c. (1.5 marks)Calculate the mechanical energy when the person is half away from the sidewalk d. (1 mark)Calculate the final kinetic energy e. (1 mark)Is the energy conserved? Justify your answer