Recent content by cdenne

Thank you very much for your help.

(5*9.8 - 5*1.39 - 10*1.39) / (10*9.8) = - 0.163 Alright. I just found my mistake. I don't know what I did on the calculator last night, but I kept getting -0.163. Now I get the correct value of 0.287. Thanks for your help. By the way, what are FBDs?

Homework Statement I have a problem about two masses: m1 sitting on a table and m2 hanging off the end of th table across a frictionless pulley. There is friction between m1 and the table, however. The system is released from rest and m2 falls 1 meter in 1.2 seconds. m1=10.0 kg, m2=5.00 kg...

Great! Thank you.

Where?

Thank you. I'm on the full website now and there are more functions available. I keep forgetting that mobile apps are still very limited sometimes.

You mention homework template a couple times in the guidelines, but I can't find it anywhere. Where is it? By the way, I'm on my iPad. Thanks.

Great. Thank you.

Thank you for your response. I thought about that as I was typing the post. "The same position in space" probably refers to the reference frame in which the two events take place. From that perspective, the observer on the train is still in the same position on the train when both events...

Hello. I'm having trouble figuring out from which perspective to measure the proper time interval for Special Relativity. In the textbook, the definition says it's "the time interval between two events measured by an observer who sees the events occur at the same point in space." But in the...