Dane :m = 2kgt = 10ss = 100mWzor :1) F=a x m2) S= a x t^2 /(dluzsza kreska) 2Szukane :a = ?F = ?S = a x t ^2 / 2 |(razy 2 zmeinianie wzoru)2S = a x t^2 | (dzielic przez t kwadrat)2S\t^2 = a100x2 / 10^2 = a200 / 100 = aa = 2[m/s^2]F= a x mF = 2 x 2F = 4 N
s = Vo x t + a x t^2
poniewaz Vo = 0 - zakladamy ze predkosc poczatkowa =0
wyliczamy stad a = S x t^2 = 100 x 100=10000m/s^2
F = m x a stad F = 2kg x 10000m/s^2 = 20000N
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Dane :
m = 2kg
t = 10s
s = 100m
Wzor :
1) F=a x m
2) S= a x t^2 /(dluzsza kreska) 2
Szukane :
a = ?
F = ?
S = a x t ^2 / 2 |(razy 2 zmeinianie wzoru)
2S = a x t^2 | (dzielic przez t kwadrat)
2S\t^2 = a
100x2 / 10^2 = a
200 / 100 = a
a = 2[m/s^2]
F= a x m
F = 2 x 2
F = 4 N
s = Vo x t + a x t^2
poniewaz Vo = 0 - zakladamy ze predkosc poczatkowa =0
wyliczamy stad a = S x t^2 = 100 x 100=10000m/s^2
F = m x a stad F = 2kg x 10000m/s^2 = 20000N