From Questions to Solutions

An electric bulb rated 220 V, 100 W is connected in series with another bulb rated 220 V, 60 W. If the voltage across the combination is 220 V, what

Thirteen month old Rashon has had cough and rhinorrhea for the past three days. His mother reports that several kids at his daycare have colds. She is worried about Rashon

The Conde Nast Traveler Gold List for 2012 provided ratings for the top 20 small cruise ships. The data shown below are the scores each ship received based on the

Calculate the sample standard deviation for the following data set. If necessary, round to one more decimal place than the largest number of decimal places given. [tex] \[ \begin{tabular}{|l|l|l|l|l|} \hline

What would be the final temperature if 54.7 g of H₂O at 32.3°C was added to 38.2 g of H₂O at 89.5°C? (Assume no loss of heat to the surroundings.)

A projectile is thrown from the top of a 46 m tall building with an initial velocity of 11 m/s in the +x direction. How fast will the projectile be

Express [tex]$36^{\circ} 48^{\prime}$[/tex] in degrees. A. 36.9 B. 36.8 C. 36.7 D. 36.6 E. 36.5 If the volume of a cube is [tex]$27 \, cm^3$[/tex], find the length of the

The exponential function [tex] f [/tex] is represented by the table: [tex] \begin{array}{cccccc} x & -2 & -1 & 0 & 1 & 2 \\ f(x) & -46 & -22

A small object is attached to the end of a string to form a simple pendulum. The period of its harmonic motion is measured for small angular displacements and three

Two Formula One racing cars are negotiating a circular turn, and they have the same centripetal acceleration. However, the path of Car A has a radius of 49.6 m, while

Determine the shearing stress acting at joint C with a pin diameter \( d = 46 \, \text{mm} \) if a vertical force \( F = 24 \, \text{kN} \)

A dress needs 3.65 m of cloth. A tailor makes six dresses. How much cloth does the tailor need? A. 21.9 m B. 36.9 m C. 45.9 m D. 63.9

If you have 36.6 mL of concentrated sulfuric acid and it is diluted to make up 1.5 L of 0.25 M sulfuric acid, what was the molarity of the concentrated

A sealed gas cylinder on the back of an open truck experiences a temperature change from -20.5 ˚C to 39.3 ˚C as it is driven from North Dakota to Arizona.

A 99.8 mL sample of a solution that is 12.0% KI by mass (density: 1.093 g/mL) is added to 96.7 mL of another solution that is 14.0% Pb(NO3)2 by mass