Friday
September 19, 2014

Posts by Name


Total # Posts: 39

physics
Four identical masses of mass 800kg each are placed at the corners of a square whose side lengths are 15.0cm . What is the magnitude of the net gravitational force on one of the masses, due to the other three?
April 14, 2014

Physics
You are given a four-wheeled cart of mass 11 kg, where the distance between a wheel and its nearest neighbors is 2.1 m. Suppose we load this cart with a crate of mass 109 kg, where the crate's center of mass is located in the back-middle of the cart, 0.525 m from its ...
April 7, 2014

physics
You are given a four-wheeled cart of mass 11 kg, where the distance between a wheel and its nearest neighbors is 2.1 m. Suppose we load this cart with a crate of mass 109 kg, where the crate's center of mass is located in the back-middle of the cart, 0.525 m from its ...
April 6, 2014

Physics
Consider two masses that hang from an overhead beam. The first mass of 86.4 kg is attached to the beam using an ideal rope. The second mass of 20.8 kg is attached to the first mass with an ideal rope and hangs directly under the first mass. (a) Find the tension in the lower ...
April 6, 2014

Physics
Suppose the magnitude of the "drag force" acting on the falling object of mass m is Dv2. Find the expression for the magnitude of the terminal velocity of this object. (Use any variable or symbol stated above along with the following as necessary: g. Do not ...
February 21, 2014

physics
You are told that the linear "drag coefficient" due to air resistance for a particular object is 0.64 N · s/m and the object has a mass of 0.0010 kg. Find the magnitude of the terminal velocity of this object when dropped from rest. (Assume the object's ...
February 21, 2014

Pre algebra
What is y=5x+5 the anwser and a graph? What is y= -3x+ 6 the anwser and a graph or the coordinates ? What is 3x-6y< -12 with a graph or coordinates
February 20, 2014

Physics
If a frictionless incline has a difference in height from one end to the other of 19.5 cm and has a length along the incline of 1.36 m, find the time it takes for a block of 1.1 kg, starting from rest, to slide down the ramp from the top to the bottom of this incline.
February 15, 2014

physics
Sorry but that was wrong
January 5, 2014

physics
A 7 kg block is pushed by an external force against a spring with spring constant 124 N/m until the spring is compressed by 2.1 m from its uncompressed length (x = 0). The block rests on a horizontal plane that has a coefficient of kinetic friction of 0.7 but is NOT attached ...
January 5, 2014

Physics
How far x does it move down the incline before coming to rest? Suppose the incline is frictionless. The angle of inclination is 36 ◦ , the spring constant is 89.6 N/m the mass of the block is 9.05 kg and the acceleration of gravity is 9.8 m/s2 . Answer in units of m ...
January 5, 2014

Physics
A 6 kg block free to move on a horizontal, frictionless surface is attached to a spring. The spring is compressed 0.16 m from equi- librium and released. The speed of the block is 1.44 m/s when it passes the equilibrium po- sition of the spring. The same experiment is now ...
January 5, 2014

Math
if you use $63.00 divided by 9 to estimate $62.59 divided by 9 $7.00 greater than or less than the exact answer? Explain
November 5, 2013

Physics
A hot-air balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. For simplicity, consider the weight to be only that of the hot air within the balloon, thus ignoring the balloon fabric and the basket. The hot air inside the balloon ...
June 23, 2013

Physics
A hot-air balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. For simplicity, consider the weight to be only that of the hot air within the balloon, thus ignoring the balloon fabric and the basket. The hot air inside the balloon ...
June 23, 2013

math
the distance around a rectangular field is 340 yards. if the length of the field is 1120 yards, what is the width in yards?
May 29, 2013

physics
A 75.0 kN truck is parked in the middle of a 20.0 m long bridge. How much force must each end of the bridge exert to support the truck?
April 2, 2013

Physics
P = F/A But there are two tires. So the weight will be supported by the two tires, thus two areas. So P=F/2A, solving this, A = F/2P A = 600/2*6.7*10^5
February 8, 2013

english language arts
b
December 30, 2012

Physics
sad
December 12, 2012

Health
yes C is right
August 30, 2012

health
D - evidenced by the USDA Dietary Guidelines for Americans 2010: “Mean intake of seafood in the United States is approximately 3 1/2 ounces per week, and increased intake is recommended. Seafood contributes a range of nutrients, notably the omega-3 fatty acids, ...
August 23, 2012

HEALTH
its b
August 11, 2012

Health
no its D cant your read
July 28, 2012

english
but i need to find out....what do we learn about juliet from this?
February 13, 2012

Math
SIMPLE INTEREST kelsie has an $800 savings bond which she has had for 2 1/2 years. The bond pays simple interest at the rate of 3.8% per year. If kelsie cashes the bond, what amount will she receive?
October 25, 2011

us history
a map for the thirteenn original colonies
January 10, 2011

Math
if the angle between the two lines 3x-5y-1=0 and Kx-y=3 is 45, then find the value of k
December 5, 2010

MATH
first go to google and tipe in calculator
November 1, 2010

MATH
6X100
November 1, 2010

math
2x(3y]00000;-;]'[- 0][p ][
October 22, 2010

math
How many multiple of 3 between 1-22 are even? A-7 B-5 C-3 D-1p[kiiiii0-=kopiklp,;ll[o
October 22, 2010

ENGLISH
this is NOT the answers that i expected
September 9, 2010

kindergarten math
5dddf=45552;weee/f.r'/.te'.'q
January 20, 2010

Algebra 1- 8th Grade
x per y means x/y Therefore, cost per person means cost/person = 2.6x10^9/2.49x10^8
April 29, 2009

math
Actually, if you do simple math, you would get $25,920. If you want to know how much he will have after cashing it in, just do this. I=PRT I is the simple interest = 25,920 P is the Principal = $800 R is the rate = 9% = 0.09 T is the time = 30 years = 360 months 800x0.09x360=...
April 10, 2008

english essay
Fix it, to it: It is not because a cashiers mistake, tt is because many of the food and product One word: -On going = Ongoing -Out side = Outside Two words: -Everyday = Every day
September 25, 2007

ear defenders
How do i do this Drawn simple particle diagrams to show how the ear defenders will work. „h Drawn diagrams to show where sound will be reflected and where it will be absorbed.
December 5, 2006

Reserves-PLEASE HELP!
E.
November 5, 2006

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