Tuesday
September 16, 2014

Posts by sk


Total # Posts: 29

math
5
June 3, 2013

chemistry
What is the final pressure gas sample that is subjected to a temperature change from 22.0 C to 30.0 C and a volume change from 85.4 L to 37.0 L with an initial pressure 105 kPa?
April 30, 2013

7th grade science
haha
November 18, 2012

science
It has come to my attention that you have violated the Honor Code of the class. Your credentials on the site have been removed. Thank you for your time.
November 17, 2012

math
Find the volume generated by rotating the area between y = cos( 3 x ) and the x axis from x = 0 to x = π/ 12 around the x axis
September 29, 2011

physics
A man steps on his bathroom scale and obtains a reading of 243 lb. The spring in the scale is compressed by a displacement of -0.0480 inches. Calculate the value of its spring constant in (a) pounds per inch (b) newtons per meter.
February 24, 2011

physics
A student applies an upward force of 56 N to a 5.6-kg physics textbook. Find the book’s acceleration (positive for up, negative for down). answer in miles/seconds squared.
February 24, 2011

physics
pls show answers and work with the questions i have posted.
December 22, 2010

physics
A juggler throws a ball from height of 0.950 m with a vertical velocity of +4.25 m/s and misses it on the way down. What is its velocity when it hits the ground?
December 22, 2010

physics
Sam tosses a ball horizontally off a footbridge at 3.1 m/s. How much time passes after he releases it until its speed doubles?
December 22, 2010

trig
Use the double angle formula to verify the identity cotxsin2x=1+cos2x
November 28, 2010

Trig
Find the value of tangent of angle A, given cos2A = 4/5, and A terminates in quadrant 2
November 28, 2010

Trig
find sin(s+t), given that sin t=1/3, t in quadrant 2, and cos s = -2/5, s in quadrant 3
November 28, 2010

Trig
the angle of depression from the top of a building to a point on the ground is 32degrees30', how far is the point of the ground from the top of building if the building is 252m high?
November 28, 2010

Trig
The angle of depression from the top of the building to a point on the ground is 29degrees30', the point of the ground is 36 meters from the top of the building. Find the height of the building
November 28, 2010

Trig
A plane flies 1.3 hr at 100mph on a bearing of N40degreesE. It then turns and flies 1.5hr at the same speed on a bearing of S50degreesE. How far is the plane from its starting point?
November 28, 2010

Trig
A ship leaves its homeport and sails on a bearing of N28degrees10'E. Another ship leaves the same port at the same time and sails on a bearing of S61degrees50'E. If the first ship sails at 24.0 mph and second sails at 28mph, find the distance between the two ships ...
November 28, 2010

Trig
assume a pulley has a radius of 12.96 cm. If it takes 18 seconds for 56 cm of belt to go around the pulley, find the angular velocity in radians per seconds
November 28, 2010

Precalc
In 1992, the average cost of a ticket on a privately-owned airline was $145. This amount has increased by approximately $51 yearly. How much should you expect to pay for a ticket on this airline in the year 2005?
November 14, 2010

5th grade Math
Thank you. I never thought about looking at them like money.
August 25, 2010

5th grade Math
Having problems with less than/greater than decimals. Wanted to double check some answers. a)0.5_1.0 My Answer is < b)3.2_3.02 My answer > c)4.83_4.8 My answer < d)6.25_6.4 My answer < e)0.7_0.07 My Answer >
August 25, 2010

physics 12- dynamics
A 5kg block slides down an incline of 25
March 23, 2010

physic12-dymanics
A 5kg block slides down an incline of 25 degrees to the horizontal at a constant speed. a) what is the net force on the block? b) what is the magnitude of the friction force acting on the block? c) If friction was negligible and the block was accelerating down , what would be ...
March 23, 2010

physic12-dymanics
A block is launched up the incline(coefficient of friction is 0.3) with an initial speed of 12m/s. What is the maxximum displacement of the block up the incline?
March 23, 2010

Ethics
What is “institutional discrimination?” Give an example
May 14, 2009

Chemistry
How would you purify decanoic acid contaminated with biphenyl? what method and solvent.Please help me
November 11, 2007

chemistry
Large atom goes on equatorial becasue equatorial is more stable than axial. You always want to have stable shape.
November 11, 2007

Ethics
what is the good of morality This site will give you some good ideas about that topic. http://en.wikipedia.org/wiki/Morality Morality is a guide; it helps us to decide what is "good" and what is "evil." In other words, it helps us to choose between those ...
November 16, 2006

Ethics in business
What do you think is the best way of doing business ethics and why 1) all transactions are above board: nothing under the table. 2) Honesty in all transactions. No misleading advertising, or terms. 3) Follow the law, if it conflicts with the two above, then state it publicly ...
November 16, 2006

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