Предмет: Алгебра, автор: kusrik

шар скатывается по наклонной плоскости , в первую секунду скатывается 0.5 м , а на каждую следующую секунду на 0,8 м больше , чем в предыдущею . вычислить растояние , на которое шар скатиться за 10 секунд .

Ответы

Автор ответа: witch060703p85t13
1

1с = 0,5 м

2с = 0,5 м + 0,8 м

3с = 0,5 м + 2*0,8м

.......

10с = 0,5 м + 9*0,8 м = 7,7 м

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