s=10m/sX60s=600m
G车=3X10^3kgX10N/kg=3X10^4N
F=f=0.08X3X10^4N=2.4X10^3N
W=2.4X10^3NX600m=1.44X10^6J
P=1.44X10^6J/60s=2.4X10^4W
采纳我的吧!
s=10m/sX60s=600m
G车=3X10^3kgX10N/kg=3X10^4N
F=f=0.08X3X10^4N=2.4X10^3N
W=2.4X10^3NX600m=1.44X10^6J
P=1.44X10^6J/60s=2.4X10^4W
采纳我的吧!