Respuesta:
F = 400 N
Explicación:
Datos:
d = 800 m
vo=0
t = 4 seg
a=?
m = 4kg
d = vot+ 0.5 at²
d = 0.5 at²
d
---------- = a
0.5 t²
800 m
0.5 (4s)²
----------- = a
8 seg²
100 m/s² = a
F = m x a
F = 4 kg x 100 m/s²
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Respuesta:
F = 400 N
Explicación:
Datos:
d = 800 m
vo=0
t = 4 seg
a=?
m = 4kg
d = vot+ 0.5 at²
d = 0.5 at²
d
---------- = a
0.5 t²
800 m
---------- = a
0.5 (4s)²
800 m
----------- = a
8 seg²
100 m/s² = a
F = m x a
F = 4 kg x 100 m/s²
F = 400 N