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logX=(-K/2.303)t+logX0 10gC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) 10gC′=(-K/2.303)t′+log[K0(1-e-KT)/VK] C=K0(1-e-Kt)/KV
初速度为4 m/s 加速度为2 m/s2 在3s末,瞬时速度为10 m/s 前3s内,位移为30 m
P1V1/T1=P2V2/T2 P2V1/T1=P1V2/T2 P2V2/T1=P1V1/T2 P1V1/T2=P2V2/T1
logX=(-K/2.303)t+logX0 10gC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) 10gC′=(-K/2.303)t′+log[K0(1-e-Kt)/VK] C=K0(1-e-Kt)/KV
∆v= 一kx∆t/m Kxvt=m(v02―v2)/2 Kx∆x= 一mv∆v Kxv ∆t= 一∆E
logX=(-K/2.303)t+logX0 10gC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) 10gC′=(-K/2.303)t′+log[K0(1-e-KT)/VK] C=K0(1-e-Kt)/KV
t=s t=3s t=5s t=12s
logX=(-K/2.303)t+logX0 10gC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) 10gC′=(-K/2.303)t′+log[K0(1-e-KT)/VK] C=K0(1-e-Kt)/KV
logX=(-K/2.303)t+logX0 10gC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) 10gC′=(-K/2.303)t′+log[K0(1-e-Kt)/VK] C=K0(1-e-Kt)/KV
logX=(-K/2.303)t+logX0 10gC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) 10gC′=(-K/2.303)t′+log[K0(1-e-Kt)/VK] C=K0(1-e-Kt)/KV
logX=(-K/2.303)t+logX0 10gC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) 10gC′=(-K/2.303)t′+log[K0(1-e-KT)/VK] C=K0(1-e-Kt)/KV
v1=12m/s ,v2=39m/s v1=8m/s ,v2=13m/s v1=12m/s ,v2=19.5m/s v1=8m/s ,v2 =38m/s
4 m/s 8 m/s 12 m/s 24 m/s