Recent content by nrc_8706

does anyone know how to do this?:confused: :confused: :confused: :confused: :confused: :confused: :confused: :confused: :confused: :confused: :confused: :confused: :confused: :confused: :confused:

why can't i see the attachments?

Wbc=0 Wab=-3315.4J Wca=nRTLn(Va/Vc)=-2108.98 The net heat added to the gas for the entire cycle is 1200J. Determine the net work done by the gas on its surroundings for the entire cycle. Don't you just add the works?

i figured out that Wac=21000J Wbc=0 Wab=91000J how do you find internal energy of U=Q+W?

Wbc=0 Wab=-3315.4J Wca=nRTLn(Va/Vc)=-2108.98 The net heat added to the gas for the entire cycle is 1200J. Determine the net work done by the gas on its surroundings for the entire cycle. Don't you just add the works?

if heat is added to a gas for the entire cycle, does that affect the net work done by the gas on its surroundings for the entire cycle?

? how do you find the amplitude?

a block of mass 4kg is hung from a spring, causing it to stretch 8cm at equilibrium. the 4kg block is then replaced by a 5kg block. the acceleration of gravity is 9.8m/s^2. how far will the 5kg block fall before its direction is reversed? i don't know if this helps but i found K for the...

Thank You So Much!

is it W=Fd

the answer is W=456.3 is that all?

so...W=1/2mVf^2-1/2mVo^2 does Vf cancel since it comes to rest?

is it W=Kf-Ko ?

a rifle fires a(n) 6g bullet with a muzzle velocity of 390m/s into a block of wood. the bullet comes to rest after it has made a(n) 18cm deep hole in the wood. what is the magnitude of the average frictional force slowed the bullet? can i use this formula? J=FT=pf-pi=mv

gracias for all your help