Recent content by hsestudent

There, it worked.

Oh, I'm sorry. Yeah, I tried W = nRT. Came out with 1300 J, but the key book says 1330 J.

[SOLVED] Isobaric process Hi, need some help with this. I got to moles of an ideal gas that are heated at constant pressure from T=27 C to T=107C. How do I calculate the work done by the gas? I know that for a isobaric process the work is given by W = p(V2-V1) Thanks

Thanks, will try this tomorrow morning!

Homework Statement A block A (mass 2.25k) rests on a tabletop. It is connected by a horizontal cord passomg over a light, frictionless pulley to a hanging block B (mass 1.3kg). The coeffisient of kinetic friction between block A and the tabletop is 0.45. After the block is released from the...

Thanks I did of course make a mess of things with the sign. Got the distance to be 3,1 meters after finding the time 1.78s.

Thanks for fast replies:) Ok, I tried something like that, but I didn't come out with an correct answer. When the force is removed I have: Force-Friction = ma 0 - Friction = ma a = Friction / m = -1.96m/s^2 But how do I find the distance now?

Frictional forces [SOLVED] Homework Statement A stockroom worker pushes a box with mass 11,2 kilograms on a horizontal surface with a constant speed of 3.5 m/s. The coeffisient of kinetic fricion between the box and the surface is 0.2. In a) i had to find the force that the worker must...