Hello,
So my dad and I took apart our old TV that had a Fresnel lens inside. Unfortunately there is a crack near the edge due to a billiard ball accidentally being dropped on it. I was wondering how much this crack would affect the lens' ability to focus the sunlight into a point. When we...
Hi,
I was accepted into a college and I'm going to attend next year in the US, and as I was looking for majors, I came upon Engineering Physics. My college offers a 5-year program where you can get a BS in Engineering Physics and a MS in physics, and I was wondering if it is possible/worth it...
Homework Statement
Moon rock contains 0.10 g of water in every 100 g of moon rock. What mass of moon rock, in pounds, would a moon base have to process to recover 1.0 L of water?
Homework Equations
Density of water is 1.0 g/mL
The Attempt at a Solution
I tried to convert the grams...
The problem in my packet says, "A medical technician uses a pair of four inch longtweezers to remove a wood sliver from a patient. The technician is applying one pound of squeezing force to the tweezers. If more than 1/5 lb of force is applied to the silver, it will break and become difficult to...
I am confused about what exactly "limitations" are in an experiment. This was a chemical products lab: perfumes, paint, moisturizing cream. So can someone explain this to me?
"Discuss any errors or limitations you encountered in the preparation of these products and suggest modifications to...
Hello,
is it safe to store approximately 5-10 pounds of dry ice in a normal freezer, because my grandpa came to town today from his elk hunting trip, and he seems to think so. Please comment, because I know that dry ice can be dangerous if used improperly. The dry ice is currently being stored...
I'm pretty sure the answer is 48° but that is because my worksheet is set up where it gives the answers and eventually you solve a riddle, however I don't know how I would get to it. So should I just ask my teacher tomorrow?
Homework Statement
The roof of a ski cabin has a steep pitch to help snow slide off. What angle does the roof make with the horizontal?
Homework Equations
SOH CAH TOA
The Attempt at a Solution
I don't really know where to start considering I have no numbers to play around with so...