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Latest posts from topic “Moto rettilineo” Latest posts from topic “Moto rettilineo” on “ElectroYou”. 2020-05-22T13:20:37Z https://www.electroyou.it/forum/viewtopic.php?f=14&t=81079 Re: Moto rettilineo https://www.electroyou.it/forum/viewtopic.php?f=14&t=81079#p851565 g.schgor 2020-05-22T18:56:45Z 2020-05-22T18:56:45Z
Se partono entrambi da zero deve essere v=0
e di conseguenza u=6.6.
l'istante di velocità uguale si ha a t=2.63s
Moto rettilineo https://www.electroyou.it/forum/viewtopic.php?f=14&t=81079#p851508 quapakko 2020-05-22T13:20:37Z 2020-05-22T13:20:37Z
Due pedoni si muovono descrivendo una traiettoria rettilinea partendo contemporaneamente e fermandosi entrambi dopo 10s.La velocità media del secondo pedone vale 1/2m/s. Sapendo che la legge oraria del primo pedone è descritta dalla funzione [unparseable or potentially dangerous latex formula] e che [unparseable or potentially dangerous latex formula], quali valori si devono attribuire alla costanti u e v affinchè almeno in un istante la velocità istantanea del primo pedone sia uguale alla velocità media del secondo?

Ho determinato la velocità istantanea del secondo pedone derivando la sua legge oraria
[unparseable or potentially dangerous latex formula] e l'ho posta uguale alla velocità media del primo pedone [unparseable or potentially dangerous latex formula]
Poi ho sfruttato la condizione [unparseable or potentially dangerous latex formula]
Come posso proseguire?