Объяснение:
Екин=
[tex] \frac{0.5 \times 10 \times 10} \times \frac{?}{?} \times \frac{?}{?} = 50[/tex]
Епот:
[tex] \frac{0.5 \times 20 {}^{2} }{2} - 50= \\ \frac{0.5 \times 400}{2} - 25 \\ = (0.5 \times 200) - 25 = \\ 100 - 50 = 50[/tex]
Епот=Екин=50 Дж
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Verified answer
Объяснение:
Екин=
[tex] \frac{0.5 \times 10 \times 10} \times \frac{?}{?} \times \frac{?}{?} = 50[/tex]
Епот:
[tex] \frac{0.5 \times 20 {}^{2} }{2} - 50= \\ \frac{0.5 \times 400}{2} - 25 \\ = (0.5 \times 200) - 25 = \\ 100 - 50 = 50[/tex]
Епот=Екин=50 Дж