Recent content by FCguy

I agree with your observation in retrospect but I still believe that this particular red herring was incorporated in such a way that they actually changed the problem. The 12N arm certainly appears to be crossing the circumference of the inner circle. They should have used something like 80...

I believe these problems are created by webassign, not by my professor. Thanks for the confirm on the answer. I've emailed webassign. Teach on prof! I'm curious as to what level of education you instruct. I never took physics in high school but boy would it have helped now.

I should elaborate that I answered with -3.85 and it rejected that answer. Also, our professor informed us that tolerance is 1%. Finally I have a photo of the "master it" help portion in which webassign shows the calculation without the trig.

I think I found an error in a webassign problem. What do you think?

1.95 when I called plus shipping. I forgot about the screws however so now I need to find out what size they are

Wow ... zero replies in two days ... does ANYONE have any input on this?

I just picked up a TI-NSpire for nearly nothing. It's missing the battery door for the rechargeable battery (which is also missing). I can pick up the battery easily enough but I can't find the door anywhere! See the door (and it's screws ... which of course I don't have either) in the pic...