Recent content by acg7160

I did not get it in time, thanks anyway.

Can anyone help me?

Thanks I got it right!

Homework Statement P=1.5 atm; n=2 mols, R=8.314; T=250 K; V=? Homework Equations PV=nRT i converted p into Pa and got 151987.5 Pa. The Attempt at a Solution I plugged in all of the numbers and got V=0.027 L but it keeps saying my answer is wrong. It says answer for 2 sig figs. I...

No I do not.

Homework Statement A horseshoe has a surface area of 60 cm^2, and a blacksmith heats it to a red-hot 930 C. At what rate does it emit energy by radiation? Homework Equations The Attempt at a Solution I'm pretty lost here...

That's all I was given...

oh sorry! the radius of its path.

Please help!

Homework Statement A 2.3 kg mass is connected to a spring with spring constant k = 180 N/m and unstretched length 17 cm. The pair are mounted on a frictionless air table, with the free end of the spring attached to a frictionless pivot. The mass is set into circular motion at 1.6 m/s ...

Homework Statement You're speeding at 85 km/h when you notice that you're only 10m behind the car in front of you, which is moving at the legal speed limit of 60 km/h. You slam on your brakes, and your car decelerates at 4.2 m/s^2. Assuming the car in front of you continues at constant...