Предмет: Физика, автор: blitstanki82

Сроооооооооооооооооооооочнааа

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Автор ответа: olgaandriiko0709

Ответ:

Дано: Ѵ1=1 м/с; Ѵ2=0,8 м/с; 11=40 м; 12=20 м; Ѵ3=18 м/ c; S-?

1) находим скорость сближения мальчиков.

2) находим время движения до сближения на 20 м.

3) мяч летал столько же времени. Расстояние, которое он пролетел, находим, зная его скорость и время полета.

1) V=1+0,8-1,8 м/с.

2) t=(40-20)/1,8=11,1 с.

3) S=V(мяча)*t=18*11,1=200 м.

Ответ: 200 м.

Объяснение:

зроби цю відповідь найкращою будь ласка /⁠ᐠ⁠｡⁠ꞈ⁠｡⁠ᐟ⁠\

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