Friday
August 1, 2014

Posts by chen


Total # Posts: 23

physics
A cart of mass m = 1.10 kg on a track undergoes a collision with another cart. It's velocity before and after the collision, vi and vf is measured and found to be vi = 2.12¡À0.06 m/s and vf = 0.60¡À0.08 m/s. Calculate the following quantities incl...

math
fsdffs

calculus
At midnight, ship B was 90 km due south of ship A. Ship A sailed east at 15 km/hr and ship B sailed north at 20 km/hr. At what time were they closest together?

calculus
At midnight, ship B was 90 km due south of ship A. Ship A sailed east at 15 km/hr and ship B sailed north at 20 km/hr. At what time were they closest together?

physics
at what inclination should the object be released from rest if it is to reach a maximum horizontal distance of 2m as shown. coeff of friction is 0.37 for all surfaces of contact.

Math
the measure of an angle is 27 less than twice the measure of it complement.Find the measure of each angle what would the equation be

Math
A new quarterback has to pick two number that will go on his football shirt. How many pair of number can be make from the digits 3,5,7,and 9? What are all the possible choice?Explain how you arrived at your answer.

Chemistry
A student conducts an experiment to determine the enthalpy of neutralization for phosphoric acid reacting with sodium hydroxide. The student combines 25.0 mL of equimolar solutions of acid and base, both having an initial temperature of 22.5 °C, in an open polystyrene cal...

Chemistry
A student conducts an experiment to determine the enthalpy of neutralization for phosphoric acid reacting with sodium hydroxide. The student combines 25.0 mL of equimolar solutions of acid and base, both having an initial temperature of 22.5 °C, in an open polystyrene cal...

algebra
-7|2x+21|-7=42 set notation and solution

Caculus
integrate x^(1/2)e^x.dx from 0 to 4, n=12 1) the trapezoidal rule

computers
organize the documents into folders based on there topic aor type. :) hope this helped

12th grade
this is not possible because 3x and 3 are not like terms. in order to add you must have like terms. :)

home economics
home economics are simple things around the house like cleaning, cooking, ect.

home economics
cambells

Management
I am collecting ideas for the following question. Any help would be appreciated, thanks. Please give an example of good or bad management control based on your own experience.

french
It means "will you give me a present for my sisters birthday?" also in response to SraJMcGin, "anniversaire" never refers to the word anniversary on the word birthday

government and economic
banker, doctors, corporation presidents, and wall street lawyers (the traditional elite) veruss government officials, research scientists, professors, and the mass media. Which group would benefit most from each of the following developments? - Large-scale nationalization of i...

stupid test online
celery!

How to send gifts to China in a strange country?
The Thanksgiving Day is coming. Do you have some ideas about it? For western people, it is more important than us Asian. But this kind of custom influences us gradually. So, this Thanksgiving Day I want to send some interesting gifts to my families, friends and others in order...

english
In the book "The English Patient".Why did Hana decide to have an abortion during the war? How has that decision affected her, and how much influence has it had on her life at the villa? umm read the book

english
In the Book, "the English patient".What can you deduce from the novel about Hana's relationship with her father? Has her father's death, and the manner of it, caused her to retreat from the war and devote herself to the English patient? What influence do her ...

english
In the book "The English Patient",The English patient "whispers again, dragging the listening heart of the young nurse beside him to wherever his mind is, into that well of memory he kept plunging into during those months before he died" [p. 4]. Why does th...

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