Recent content by runphysicsrun

someone please reply! I really need help!

Four Wires form corners of a square. Force exerted by 3 of them on 1. Concept help! Homework Statement side length "a"= 5.5 cm current through wires "I" = 1.6A "L" of lower right wire= 1 cm upper and lower left currents are out of the page upper and lower right currents are into the...

When it's accelerating up? Because sense of weight comes from Normal Force and the normal force is greater in a lift accelerating up. But I still don't get how this gives mass 2 a more negative accel? When you're going up, if you feel heavier, mass 2 would be heavier as well. But wouldn't the...

Homework Statement A simple Atwood machine composed of a single pulley and two masses, m1 and m2 is on an elevator. When m1= 44.7kg and m2=45.3kg, it takes 5.00s for mass m2 to descend exactly one meter from rest relative to the elevator. What is the elevator's motion? (That is, is it moving...

sorry! -__- the right problem is written in now.

Homework Statement A 0.840- kg glider on a level air track is joined by strings to two hanging masses. As seen in the figure, the mass on the left is 4.85 kg and the one on the right is 3.62 kg The strings have negligible mass and pass over light, frictionless pulleys. Find the acceleration of...

Wait. I just understood what you were talking about. So it should read -4a = T2-39.2! Thanks!

[PLAIN]http://dl.dropbox.com/u/14756133/physics%20two%20clay%20pots.pngSorry. I accidentally typed plus. If you look at the following equation, though, I have it as a minus. I'm subtracting the force due to gravity from the force due to tension in the downward motion of mass 3. and my positive...

Homework Statement Two clay pots (m1 = 6 kg, m2 = 3 kg) joined together by a light string rest on a table. The frictional coefficient between the pots and the table is 0.35. The pots are also joined to a suspended mass (m3 = 4kg) by a string of negligible mass passed over an ideal pulley as...