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A 28-year old woman who presented with a history of joint pain and swelling, initially in her right foot and ankle that resolved after a few days and then pain and swelling in other joints. Upon...
I live in the UK, I was with a Chinese escort, and had protected vaginal sex, but she gave me a B L O W J O B with no protection. Can you get STDs from receiving oral sex? I’m most concerned about HPV...
A spring is suspended from a ceiling with no mass attached. Then, a mass m1 is attached to the bottom and allowed to fall. The spring has spring constant k. a. How long will it take before the mass...
A horizontal force of 24 N is being applied to a box on a level surface. The friction force of the surface back on the box is 14 N. The box is accelerating at a rate of 2 m/s^2. What is the mass of...
Here's some good news in these grim times. Much better than the very unreliable PSA test:
https://www.sciencefocus.com/news/game-changing-prostate-cancer-test-works-in-15-minutes/...
A hi-vol sampler draws air at an average rate of 70 ft3/min. If the measured particle concentration is 200 ~g/m3 and the hi-vol was operated for 12 hours, what was the weight of dust on the filter?
Sure, it's "vital for their survival", although I guess anyone trapped in an icy water with no prospects of survival would turn to drink to cope... http://www.bbc.com/news/science-environment-40899192...
My book says primary carbon is a carbon atom which is connected to one other carbon atom. and so on for sec ter and qurt. but every example it shows has only carbons attached via single bonds. so i...