Вагон массой 10т движется со скоростью  1 м/с и сталкивается с неподвижной платформой массой 5т. Чему равна  скорость их совместного движения после того,как сработала автосцепка

розв'яжіть будь ласка....Маса коробки із цукерками 550г. Коли половину цукерок з'їли, маса коробки стала 300г. Яка маса порожньої коробки? пліз вирішіть!

Туристы прошли намеченный маршрут за три дня. В первый день они прошли 35% намеченного маршрута, во второй - на 3 км больше, чем в первый, а в третий - оставшиеся 21 км. Какова длина маршрута. Решите уравнением. Срочно!!!!!!!!

що таке благодійність- твір для 8 класу

ПЕРЕВЕДИТЕ БЕЗ ПЕРЕВОДЧИКА


"Oh, this Laughing Cas is catching !" said Mr. Wigg
The next moment Machael flew up on Mr. Wigg's knee.
" Nice to meet you 2 said Mr. Wigg to Michael. " It is kind of you to come up to me ! Because I can't come down to eou !"
And them he and Michael looked at each other and started to laugh again.
" Well, Mary , said Albert to Mary Poppins , " what about you, my dear ?"
" Mary Poppins, Mary Poppins , come up " said Michael and Jane "Think of somethink funny !"
"Ah, she can come up if she wants to " said Mr. Wigg , "even without laughing "
"Well " said Mary Poppins " it's all very silly!But you're all up there and you can't get down , so..."
Then she put her hands down at her sides and without a laugh, without even a smile , she flew up through the air.
" Now we're all comfortable ... And we can have tea, " Mr. Wigg said " But...the table's down there and we're up here.What shall we do ? We're here and it's there. It's a terrible tragedy !But oh, it's terribly comic !" . And he hid has face in his hands and laughed loudly. Jane and Michael joined him. Finally, Mr. Wigg dried his yeys.
" Well, " he said " we must think of something sad, very sad. And then we shall get down ! Well , I had an aunt Emily. She was run over by a bus. Sadm Very sad. Terribly sad. Poor Aunt Emily. But her umbrella was OK. That was funny , wasn't it ?"
And he started laughing.
" Mary , can't you do something ? We want our tea " he said finally.