аквпикнр5е6пкраеркврин526462еач5кигач5а. 256н6е6а5крнпмннмн7м6пм6пм6пир7ир6мр6м6емнпмнпмнпву4а6ем4аеRead the text again and write next to the sentences True/False according to the text.
1. She looks after the big animals.
2. Her favorite animals are the tigers.
3. There are four elephants at the zoo.
4. Molly gets up at 6 o'clock.,
5. The lions eat salad.
6. The animals drink water.Read the text again and write next to the sentences True/False according to the text.
1. She looks after the big animals.
2. Her favorite animals are the tigers.
3. There are four elephants at the zoo.
4. Molly gets up at 6 o'clock.,
5. The lions eat salad.
6. The animals drink water.Read the text again and write next to the sentences True/False according to the text.
1. She looks after the big animals.
2. Her favorite animals are the tigers.
3. There are four elephants at the zoo.
4. Molly gets up at 6 o'clock.,
5. The lions eat salad.
6. The animals drink water.Read the text again and write next to the sentences True/False according to the text.
1. She looks after the big animals.
2. Her favorite animals are the tigers.
3. There are four elephants at the zoo.
4. Molly gets up at 6 o'clock.,
5. The lions eat salad.
6. The animals drink water.Read the text again and write next to the sentences True/False according to the text.
аквпикнр5е6пкраеркврин526462еач5кигач5а. 256н6е6а5крнпмннмн7м6пм6пм6пир7ир6мр6м6емнпмнпмнпву4а6ем4аеRead the text again and write next to the sentences True/False according to the text.
1. She looks after the big animals.
2. Her favorite animals are the tigers.
3. There are four elephants at the zoo.
4. Molly gets up at 6 o'clock.,
5. The lions eat salad.
6. The animals drink water.Read the text again and write next to the sentences True/False according to the text.
1. She looks after the big animals.
2. Her favorite animals are the tigers.
3. There are four elephants at the zoo.
4. Molly gets up at 6 o'clock.,
5. The lions eat salad.
6. The animals drink water.Read the text again and write next to the sentences True/False according to the text.
1. She looks after the big animals.
2. Her favorite animals are the tigers.
3. There are four elephants at the zoo.
4. Molly gets up at 6 o'clock.,
5. The lions eat salad.
6. The animals drink water.Read the text again and write next to the sentences True/False according to the text.
1. She looks after the big animals.
2. Her favorite animals are the tigers.
3. There are four elephants at the zoo.
4. Molly gets up at 6 o'clock.,
5. The lions eat salad.
6. The animals drink water.Read the text again and write next to the sentences True/False according to the text.
1. She looks after the big animals.
2. Her favorite animals are the tigers.
3. There are four elephants at the zoo.
4. Molly gets up at 6 o'clock.,
5. The lions eat salad.
6. The animals drink water.
Объяснение:
мнас5ас4аснач5км6кв5
1) s = at − вt² + ct³
начнем со скорости тела.
известно что скорость тела это 1-ая производна от пути по времени
в нашем случа
2) s'(t)=v(t)=(ct³− вt² + at)'=3ct²-2bt+a
а ускорение это 1-ая производная от скорости по времени или втора поризводная от пути по времени
для нашего уравнения
3) v'(t)=s''(t)=(3ct²-2bt+a)'=6ct-2b
ну а теперь просто подставим в наши три уравнения t=2 а = 2 м/с, в = 3 м/с², с = 4 м/с³
s(2)=4*2³-3*2²+2*2=32-12+4=24 м
v(2)=3*4*2²-2*3*2+2=48-12+2=38 м/с
a(2)=6*4*2-2*3=48-6=42 м/с²