TRABAJO DE FISICA CAIDA LIBRE

2.  1-
 h= 52m
 52m=
1
2
g𝑡2
 52=
1
2
10 m/𝑠2

52𝑚
5𝑚/𝑠2 = 𝑡2

52𝑚
5
= 10.4𝑠 = 3.2𝑠

3.  2-
 h=
1
2
𝑔2
∗ t
 h=
1
2
* 10 𝑚
𝑠2 * 10s
 h=
1000
2
𝑚
𝑠
 h= 500
𝑚
𝑠
altura

4.  3-
 h= 45m v= g*t
 45m=
1
2
g𝑡2
v= 10 𝑚
𝑠2 ∗ 3s
 45m=
1
2
10 𝑚
𝑠2 𝑡2
v= 30
𝑚
𝑠
velocidad

45𝑚
5
= 𝑡2

45
5
3s tiempo

5.  4-
 30m=
1
2
g𝑡2
 30m=
1
2
* 10 𝑚
𝑠2 * 𝑡2
 30m = 5 𝑚
𝑠2* 𝑡2

30𝑚
5 𝑚
𝑠2
= 𝑡2
 6𝑠 = t
 t= 65

6.  Vf= Vo + g t
 Vf= 10 𝑚
𝑠2 6𝑠
 Vf= 10 6 𝑚
𝑠
 Vo= 10 6𝑚 * 0.2 = 2 6𝑠
 Vf= Vo + g t
 Uf=Vo- g t
 a= 2 6𝑚 -10 𝑚
𝑠 * t
 0.2 6
𝑚
𝑠
/10
𝑚
𝑠2=t
 2 6s=t
 T=0.2 6s

7.  h= ho + Vot +
1
2
g * 𝑡2
 h= 2* 6 𝑚
𝑠 *0,2 6𝑠 -
1
2
10 𝑚
𝑠2*10,3 6𝑠2
 h=2 *0.2 * 6 – 5 * (02)2
m
 h= 2.4 – 1.2
 h= 1.2 m

8.  5-
 Vf= Vo + g * t
 Vf= 12 𝑚
𝑠 + 10 𝑚
𝑠2* t
 Vf= 225 = t
 t= 225
 Vo + g + t
 V= Vo – g t
 V= 12 𝑚
𝑠 − 10 𝑚
𝑠2* t
 V=
−12 𝑚
𝑠
−10 𝑚
𝑠2

9.  t= 1.25
 h= 12 𝑚
𝑠 * (1.2s) - 5 𝑚
𝑠2 ∗ (1.2s)2
 h= Vot -
1
2
g 𝑡2
 h= 14,4 m- 5m (1.2)2
 h= 14,4 m – 7.2m
 h= 7.2m