Предмет: Физика, автор: xiaomimi805042019

проекція швидкості руху тіла задана рівнянням Vx=-5+0,9t. обчислити швидкість в кінці 5-ої секунди руху та записати рівняння для проекції переміщення

Ответы

Автор ответа: solomiyatim

Vx=-5+0.9t

Vx(5)=-5+4.5=-0.5

Vx=V0+at

V0=-5

a=0.9

S=V0t+at²/2=-5t+0.45t²

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проекція швидкості руху тіла задана рівнянням Vx=-5+0,9t. обчислити швидкість в кінці 5-ої секунди руху та записати рівняння для проекції переміщення​

Ответы

проекція швидкості руху тіла задана рівнянням Vx=-5+0,9t. обчислити швидкість в кінці 5-ої секунди руху та записати рівняння для проекції переміщення