Given: a particle B is moving in coordinate plane Oxy. The law of particle’s motion is specified in coordinate form: xB= 1cos(πt/5) - 2 (m) yB= 3sin(πt/5) + 1 (m)
Find: algebraical value of tangential acceleration aτ (in m/s2) of the particle B at the instant t1=1s.

К сожалению, у нас пока нет статистики ответов на данный вопрос, но мы работаем над этим.

Given: a particle B is moving in coordinate plane Oxy. The law of particle’s motion is specified in coordinate form: xB= 1cos(πt/5) - 2 (m) yB= 3sin(πt/5) + 1 (m)Find: algebraical value of tangential acceleration aτ (in m/s2) of the particle B at the instant t1=1s.