May 14, 2018 #1 jaguar___ Messages 6 Reaction score 0 Homework Statement which one would be faster when reached the ground? Homework EquationsThe Attempt at a Solution conservation of energy Pe=Ke mgh=1/2mV^2 for 2-)m*g*cosa*(h/cosa)=1/2*m*V^2 -- V= sqrt(2*g*h) for 1-) V=sqrt(2*g*h) so V1=V2 Attachments 1.png 1.7 KB · Views: 618
Homework Statement which one would be faster when reached the ground? Homework EquationsThe Attempt at a Solution conservation of energy Pe=Ke mgh=1/2mV^2 for 2-)m*g*cosa*(h/cosa)=1/2*m*V^2 -- V= sqrt(2*g*h) for 1-) V=sqrt(2*g*h) so V1=V2
May 14, 2018 #2 tnich Homework Helper Messages 1,047 Reaction score 337 jaguar___ said: Homework Statement which one would be faster when reached the ground? Homework EquationsThe Attempt at a Solution conservation of energy Pe=Ke mgh=1/2mV^2 for 2-)m*g*cosa*(h/cosa)=1/2*m*V^2 -- V= sqrt(2*g*h) for 1-) V=sqrt(2*g*h) so V1=V2 I think that would be true in the absence of friction.
jaguar___ said: Homework Statement which one would be faster when reached the ground? Homework EquationsThe Attempt at a Solution conservation of energy Pe=Ke mgh=1/2mV^2 for 2-)m*g*cosa*(h/cosa)=1/2*m*V^2 -- V= sqrt(2*g*h) for 1-) V=sqrt(2*g*h) so V1=V2 I think that would be true in the absence of friction.
May 14, 2018 #3 jaguar___ Messages 6 Reaction score 0 can we say if the inclined plane is ice and also the weights are ice there wouldn't be friction? or so small that can be ignored?
can we say if the inclined plane is ice and also the weights are ice there wouldn't be friction? or so small that can be ignored?
May 14, 2018 #4 tnich Homework Helper Messages 1,047 Reaction score 337 jaguar___ said: can we say if the inclined plane is ice and also the weights are ice there wouldn't be friction? or so small that can be ignored? You can say anything you want. Does it make sense in the context of the situation?
jaguar___ said: can we say if the inclined plane is ice and also the weights are ice there wouldn't be friction? or so small that can be ignored? You can say anything you want. Does it make sense in the context of the situation?
