Предмет: Физика, автор: fenikhcfxyffr

З якою середньою швидкістю рухався Микола, якщо він пройшов 600м за 10 хвилин, потім зупинився поговорити з Михайлом на 5 хвилин, а далі побіг, щоб не запізнитися, 900м за 5 хвилин.
Будь ласка допоможіть​

Ответы

Автор ответа: dudkavika18
2

Відповідь:

1,25м/с

Пояснення:

Дано:t1-10xв

L1-600м.

t2-5xв

L2-0м.

t3-5хв

L3-900м.

Vсередня- L1+L2+L3/t1+t2+t3

Vсередня- 600+0+900м./10+5+5хв= 75м/хв

75 м/хв=1,25 м/с

fenikhcfxyffr: Дякую
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