(1)f=2kg*10N/kg*0.2=4N
F=5N-4N=1N
a=F/m=1N/2kg=0.5m/s^2
s=1/2at^2=1/2*0.5*4^2m=4m
(2)v=at=0.5*4=2m/s
a2=f/m=4N/2kg=2m/s^2
s2=v^2/2a2=2^2/(2*2)m=1m
(1)f=2kg*10N/kg*0.2=4N
F=5N-4N=1N
a=F/m=1N/2kg=0.5m/s^2
s=1/2at^2=1/2*0.5*4^2m=4m
(2)v=at=0.5*4=2m/s
a2=f/m=4N/2kg=2m/s^2
s2=v^2/2a2=2^2/(2*2)m=1m