jaylenmoores69 jaylenmoores69

18-11-2020
Physics

contestada

an object is dropped from a 145 m ledge. How fast it is moving just before it hits the ground

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nasser3 nasser3

18-11-2020

d = 1/2 x g × t²
145 = 1/2 × 9.8 × t²
t = 5.4 s

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