{"id":"fizyka-2008-maj-matura-podstawowa/zad/14.2","paper_id":"fizyka-2008-maj-matura-podstawowa","number":"14.2","points":2,"ptype":"open","subject":"fizyka","category":"matura","year":2008,"month":"maj","level":"podstawowa","text":"Zadanie 14.2 (2 pkt)\nOblicz wartość opóźnienia tramwaju podczas hamowania.","answer":null,"answer_text":"Zadanie 14.2 (2 pkt)\nOblicz wartość opóźnienia tramwaju podczas hamowania.\nb\nF\ntg\nQ\nα =\ngdzie\nb\nF\nm a\n⋅\noraz Q\nm g\n⋅\nZatem\na\ntg\ng\nα =\n→ a\ng tgα\n⋅\nα = 15o → tgα ≈ 0,27\na = 10 m/s2 · 0,27\na = 2,7 m/s2","solution":"$a = 2,7\\text{ m/s}^2$","image":"img/fizyka-2008-maj-matura-podstawowa/zad-14.2.webp","solution_image":null,"topics":"Dynamika","page_from":7,"source":"ocr","answer_source":null,"answer_text_source":"ocr","solution_source":"zadaniazmatur","text_source":"ocr","source_label":"Fizyka · Matura · maj 2008 (podstawowa)","subject_label":"Fizyka","category_label":"Matura","text_html":"

Zadanie 14.2 (2 pkt)
Oblicz wartość opóźnienia tramwaju podczas hamowania.

","answer_text_html":"

Zadanie 14.2 (2 pkt)
Oblicz wartość opóźnienia tramwaju podczas hamowania.
b
F
tg
Q
α =
gdzie
b
F
m a
⋅
oraz Q
m g
⋅
Zatem
a
tg
g
α =
→ a
g tgα
⋅
α = 15o → tgα ≈ 0,27
a = 10 m/s2 · 0,27
a = 2,7 m/s2

","solutions":[{"source":"zadaniazmatur","label":"zadaniazmatur.pl","kind":"text","html":"

$a = 2,7\\text{ m/s}^2$

"}]}