Posts by adina
Total # Posts: 10
Long distance Phone Company A charges a base rate of $5.00 per month plus 4 cents a minute that you're on the phone. Long distance Phone Company B charges a base rate of only $2.00 per month but they charge 10 cents per minute used. How much time per month would you have ...
February 25, 2014
Old McDonald has 1000 feet of fencing, and wants to build a pen along the side of his barn that will have two separate areas- one for his pigs, and one for his cows. if only one of the fences is to run parallel to the barn, find the dimensions of the pen that would maximize ...
September 19, 2013
Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If the speed of ball 1 was initially 5.00 m/s, and that of ball 2 was 7.00 m/s in the opposite direction, what will be their speeds after the collision? I figured out how to calculate the velocity ...
October 17, 2012
ocean county college
A 150 g sample of metal at 55.0 C raises the temperature of 150 g of water from 23.0 C to 35.0 C. Determine the specific heat of the metal in J/g C. Hint: #1 First find heat absorbed by water using formula q = mass x specific heat x change in temp (of water). #2 Use this value...
March 21, 2010