A thin spherical shell with radius R1 R 1 = 3.00 cm c m is concentric with a – Free 52A
A thin spherical shell with radius R1 R 1 = 3.00 cm c m is concentric with a larger thin spherical shell with radius 7.00 cm c m . Both shells are made of insulating material. The smaller shell has charge q1=+6.00nC q 1 = + 6.00 n C distributed unif
Kristin’s credit rating was lowered, and the credit card company raised her – Free 51A
Kristin’s credit rating was lowered, and the credit card company raised her APR from 12% to 13.2%. If her average daily balance this month is x dollars, express algebraically the increase in this month’s finance charges due to the higher APR. Ans
An acid solution is 0.110 M in HCl and 0.210 M in H2SO4. What volume – Free 50A
An acid solution is 0.110 M in HCl and 0.210 M in H2SO4. What volume of a 0.150 M solution of KOH must be added to 550.0 mL of the acidic solution to completely neutralize all of the acid? Answer Neutralization of Mixed Acid w
Suppose an investment account is opened with an initial deposit – Free 49A
Suppose an investment account is opened with an initial deposit of $12,000 earning 7.2% interest compounded continuously. How much will the account be worth after 30 years? Answer Future Value with Continuous Compounding - Exp
A substance has a half-life of 2.045 minutes. If the initial amount of – Free 48A
A substance has a half-life of 2.045 minutes. If the initial amount of the substance was 132.8 grams, how many half-lives will have passed before the substance decays to 8.3 grams? What is the total time of decay? Answer Radio
Write out the form of the partial fraction decomposition of the – Free 47A
Write out the form of the partial fraction decomposition of the function: Determine the numerical values of the coefficients, and , where and Answer Partial Fraction Decomposition and Integration - Explained body {
A penknife drops out of a sailor’s hand while she is at the top of a mast – Free 46A
A penknife drops out of a sailor's hand while she is at the top of a mast. She times the knife's drop to the deck and measures 1.3 s. a) How high was she up the mast? b) With what speed did the knife hit the deck? c) What was the knife's average spe
A flower pot falls from a third storey window, 17.0 m above a – Free 45A
A flower pot falls from a third storey window, 17.0 m above a sidewalk. a) With what speed does the pot hit the path? Answer Final Speed of a Falling Flower Pot - Physics Explained body { font-family: 'Segoe UI',
A uniform straight rod of mass M and length L is having small rollers of negligible – Free 44A
A uniform straight rod of mass M and length L is having small rollers of negligible mass at its ends. Rod is moving on smooth horizontal surface with constant speed V0 in gravity free space. Find the change in normal reaction at the rear roller from
Give the name or chemical formula, as appropriate, for each of the – Free 43A
Give the name or chemical formula, as appropriate, for each of the following binary molecular substances: (a) SF6, (b) IF5, (c) XeO3, (d) dinitrogen tetroxide, (e) hydrogen cyanide, (f) tetraphosphorus hexasulfide. Answer Bina