Physics, 29.05.2020 04:02, eamccoy1

1. Strzała o masie 20 g tuż po wystrzale ma prędkość 50 m/s. Oblicz pracę wykonaną

przez zawodniczkę. Ile wynosi energia potencjalna sprężystości napiętej cięciwy?

2. Na trampolinę o współczynniku sprężystości k=2 kN/m stanął zawodnik o masie 80 kg. O ile obniży się krawędź trampoliny?

Answers: 1

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1. Strzała o masie 20 g tuż po wystrzale ma prędkość 50 m/s. Oblicz pracę wykonaną

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