Homework Statement
If all of the energy from decay of the 40-K in one banana could be captured and converted into electrical energy, how many bananas would be needed to power a 100 W light bulb?
There is 358 mg potassium-K per 100 grams of banana
half life of potassium-40 is...
Homework Statement
Calculate the coefficient of friction between a fuzzy block and dynamics cart?
This is a Lab task so I have all the materials but I don't know where to start.
Homework Equations
u=ff/fn
uk=fk/fn
us=fs/fn
The Attempt at a Solution
I tried using the formulas...