hairyears6856 hairyears6856

25-02-2020
Physics

contestada

Using energy considerations and assuming negligible air resistance, show that a rock thrown from a bridge 20.0 m above water with an initial speed of 15.0 m/s strikes the water with a speed of 24.8 m/s independent of the direction thrown. (Hint: show that Ki + Ui = Kf + Uf)

Respuesta :

Olajidey Olajidey

29-02-2020

Answer:

The initial energy and final energy are the same

= 307.52m

≅ 308m

Explanation:

see the attached file

Ver imagen Olajidey

Ver imagen Olajidey

Answer Link

emmatannerfns emmatannerfns

01-12-2020

The initial energy and final energy are the same

= 307.52m

≅ 308m

Answer Link

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