1、他们的体重分别是多少?
G1=m1g=50kg*10N/kg=500N
G2=m2g=60kg*10N/kg=600N
2、分别做了多少功
W1=F1h1=G1h1=500*[3*(5-1)]m=6000J
W2=F2h2=G2h2=600*[3*(5-1)]m=7200J
3、功率分别是多少
P1=W1/t1=6000J/60s=100W
P2=W2/t2=7200J/70s=102.9W
1、他们的体重分别是多少?
G1=m1g=50kg*10N/kg=500N
G2=m2g=60kg*10N/kg=600N
2、分别做了多少功
W1=F1h1=G1h1=500*[3*(5-1)]m=6000J
W2=F2h2=G2h2=600*[3*(5-1)]m=7200J
3、功率分别是多少
P1=W1/t1=6000J/60s=100W
P2=W2/t2=7200J/70s=102.9W