Recent content by MACHO-WIMP

Alright thanks you guys! Helped a lot.

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...

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...

Thanks a lot man. You were a big help.

If my math is right, I got AMA=1/5 and the distance needed to be held is 4/5 of an inch. Does that sound about right?

So would the 1/5 lb of force be considered the resistance force?

I know it's two 3rd class levers, but I don't think there is enough information to solve, because it doesn't say where the pound of force is applied

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...

No, my teacher wants us only using this table she gave us.

Oh, shoot, you're right. Well how would I find out what 95% of the wages cause I don't have the slightest clue.

Homework Statement A company pays its employees an average wage of $3.25 an hour with a standard deviation of sixty cents. If the wages are approximately normally distributed, determine the minimum wage of the employees who are paid the highest 5%. Homework Equations z=(x-μ)/σ The Attempt...