Question

genio de la fisica me ayudan con estos problemas

Answer 1

Explicacion
5.
g = 10 m/s²
y = 1.25 m
x = 1.53 m
Vx = ?
Formula
y = g t² / 2
t² = 2 y / g
t =√ 2 y / g  = √ 2 ( 1.25 m ) / 10 m/s² = 0.5 s
x = Vx t
Vx = x / t  = 1.53 m / 0.5 s = 3.06 m/s
6.
Vo = 310 m/s
Ф = 32°
g = 10 m/s²
H = ?
T = ?
R = ?
Formula
H = (Vo sen Ф)² / 2 g = (310 m/s sen 32°)² / 2 (10 m/s²) = 1349.31 m

T = 2 Vo sen Ф / g = 2 (310 m/s) sen 32° / 10 m/s² = 32.8 s

R = Vo²/ g sen 2Ф = (310 m/s)² / 10 m/s² (sen 2(32°)) = 8637.41 m
9.
h = 30 m
Vx = 90 m/s
t = ?
x = ?
Vt =
Formula
t = √ 2 h / g  = √ 2(30 m) / 10 m/s² = 2.44 s
x =Vx t = 90 m/s (2.44 s) = 219.6 m
Vy = g t = 10 m/s²(2.44 s) = 24.4 m/s
Vt = √ Vx²  +  Vy² = √ (90 m/s)²  +  (24.4 m/s)² = 93.24 m/s


 Espero haberte ayudado.