Odpowiedź :
dane:
m = 5 kg
t = 20 s
v1 = 10 m/s2
v2 = 50 m/s2
szukane:
F = ?
2 zasasa dynamiki
F = m x a
a = dv/t = (50-10)m/s2 /20s = 2 m/s2
F = 5kg x 2m/s2 = 10 kg*m/s2
F = 10 N
Odp.Potrzena siła to 10 N (niutonów).
dane:
m = 5 kg
t = 20 s
v1 = 10 m/s2
v2 = 50 m/s2
szukane:
F = ?
2 zasasa dynamiki
F = m x a
a = dv/t = (50-10)m/s2 /20s = 2 m/s2
F = 5kg x 2m/s2 = 10 kg*m/s2
F = 10 N
Odp.Potrzena siła to 10 N (niutonów).