Search & Filtering
I roll a fair die repeatedly until a number larger than 4 is observed. Let N be the total number of times until a number larger than 4 is observed.
Find
Pr(N=k) for k=1,2,3
A conducting cylinder of radius 3.25 cm and length 5.6 cm has a total charge of 5.5 x 10^-9 C distributed uniformly on its surface area. Find for the potential at its surface.
Find the distance of an isolated positive point charge of 10 nC, in order for it to produce
an electric potential of 120 V.
The amount of coffee dispensed in a dispensing machine is normally distributed with a mean of 190 ml and a standard deviation of 10 ml. What is the z-value that will give an area of 0.975 on the right side of the normal curve?
compute the electric force between two charges of 5×10^-9 C and -3×10-8 C which are reparated by r=10 cm
A particle charge 4 x 10 ^-9 C is located at a point (0,0) in a certain coordinate system. Assuming all lengths are in meters, calculate the potential of the following points: A (3,3) and B (0,2). How much work is needed to take a particle of charge 2 x 10^-5 C from A to B?
Ethylene glycol C2H6, is a common automobile antifreeze agent. Calculate the freezing point of solution containing 651 grams of EG in 2505 grams of water. The molar mass of EG is 62.01 g/mol (Kf=1.86° C/m) and (Kb= 0.52 ° C/m for water)
Show your solution.
find the percent by volume of a 37 ml solution if it contains 16 ml of potassiuk hydroxide
6.80 g of soduim chloride are added to 265 g of water. find the mole fraction of thesoduim chloride and water in the solutiom
A life insurance company will sell a 1 million three-year term life insurance policy exclusive in a particular risk group for a premium of ₱2,000.00. Let X denote the net gain to the company from the sale of one policy. If a person in this risk group has a 99.95% chance of surviving within three years, find the expected value to the company of a single policy?
