Fisica

Primer resorte
W=m*g
W=19.4kg*9.8m/s²
W=190.12N

K=m*g
X
K= 12.5kg(9.8m/s²)
0.78
K=157.05N/m

Fr=k*X
Fr=157.05N/m*(0.78m)
Fr=122.49N

W(r)= kxf² - kxi²2 2
W(r)=157.05N/m(0.78m) ² - 157.05N/m(0.19m) ²
2 2
W(r)= 47.11J – 2.82J
W(r)=44.29JVf²= 2w
M
Vf²= 2(190.12N)
12.5kg
Vf= √30.41
Vf= 5.51m/s

Ec= mVf²
2
Ec= 12.5kg(5.51m/s)²
2
Ec= 12.5kg(30.36m²/s²)
2Ec= 189.75J

Segundo resorte
W=m*g
W=19kg*9.8m/s²
W=186.2N

K=m*g
X
K= 27.5kg(9.8m/s²)
0.65
K=414.61N/m

Fr=k*X
Fr=414.61/m*(0.65m)
Fr=269.49N

W(r)= kxf² -kxi²
2 2
W(r)=414.61N/m(0.65m) ² - 414.61N/m(0.19m) ²
2 2
W(r)= 87.06J – 7.46J
W(r)=79.6J

Vf²= 2w
M
Vf²= 2(186.2N)
27.5kg
Vf= √13.54
Vf= 3.67m/s

Ec= mVf²
2
Ec= 27.5kg(3.67m/s)²
2
Ec= 27.5kg(13.46m²/s²)2
Ec= 185.07J

Tercer resorte
W=m*g
W=14.5kg*9.8m/s²
W=142.1N

K=m*g
X
K= 14.5kg(9.8m/s²)
0.49
K=290N/m

Fr=k*X
Fr=290N/m*(0.49m)
Fr=142.1N

W(r)= kxf² -kxi²
2 2
W(r)=290N/m(0.49m) ² - 290N/m(0.14m) ²
2 2
W(r)= 34.8J – 2.75J
W(r)=32.05J

Vf²= 2w
M
Vf²= 2(142.1N)
23.5kg
Vf= √12.09
Vf= 3.47m/s

Ec= mVf²
2
Ec= 23.5kg(3.47m/s)²
2
Ec= 23.5kg(12.04m²/s²)2
Ec= 141.47J

Xi | M | W | F | Vf | E | Xf | Wr |
19.4 | 12.5 | 190.12N | 122.49N | 5.51m/s | 189.75J | 0.78m | 44.29J |
19 | 27.5 | 186.2N | 269.49N | 3.67m/s | 185.07J | 0.65m | 79.6J...