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September 21, 2014

Posts by Eden


Total # Posts: 52

Fisher College
What is 6y/7x^2 in terms of the LCD
December 5, 2012

Math Algebra 1
X | Y 1 | 1 2 | 3 3 | 6 4 | 10 7 | 28 8 | 55 n | ? Find expression that works for all steps using the variable x!?
October 26, 2011

chemistry
667.3298 mg = ? g
September 8, 2011

Physics
A 60 dB sound wave strikes an eardrum whose area is 4.1×10^−5 m^2. How much energy is absorbed by the eardrum per second? At this rate, how long would it take your eardrum to receive a total energy of 4.6 J?
December 7, 2010

Physics
Thank you, do you know how to get the other 2 answers?
December 7, 2010

Physics
A ski gondola is connected to the top of a hill by a steel cable of length 720 m and diameter 1.3 cm. As the gondola comes to the end of its run, it bumps into the terminal and sends a wave pulse along the cable. It is observed that it took 14 s for the pulse to return. What ...
December 2, 2010

Physics
oh... pi... thanks
December 2, 2010

Physics
what is Pl?
December 2, 2010

Physics
sorry, .11 m from equilibrium.
December 2, 2010

Physics
A 0.70 kg mass at the end of a spring vibrates 4.0 times per second with an amplitude of 0.15 m. Determine the velocity when it passes the equilibrium point. Determine the velocity when it is 0.11 from equilibrium. Determine the total energy of the system.
December 2, 2010

Physics
Intravenous infusions are often made under gravity. At what height should the bottle be placed so the liquid pressure is 700 mm-H2O?
November 16, 2010

physics
A car at the Indianapolis 500 accelerates uniformly from the pit area, going from rest to 260 km/h in a semicircular arc with a radius of 210 m. Determine the tangential and radial acceleration of the car when it is halfway through the turn, assuming constant tangential ...
November 11, 2010

physics
The instruments attached to a weather balloon in the figure below have a mass(m) of 5.0 kg. The balloon is released and exerts an upward force(F) of 92 N on the instruments.
November 2, 2010

physics
A 44 m diameter wheel accelerates uniformly about its center from 110 rpm to 320 rpm in 3.9 s. Determine the radial component of the linear acceleration of a point on the edge of the wheel 1.0 s after it has started accelerating.
October 31, 2010

physics
A grinding wheel 0.40 m in diameter rotates at 2200 rpm. What is the acceleration of a point on the edge of the grinding wheel?
October 31, 2010

physics
A 44 m diameter wheel accelerates uniformly about its center from 110 rpm to 320 rpm in 3.9 s. Determine the radial component of the linear acceleration of a point on the edge of the wheel 1.0 s after it has started accelerating.
October 30, 2010

physics
A grinding wheel 0.40 m in diameter rotates at 2200 rpm. What is the acceleration of a point on the edge of the grinding wheel?
October 30, 2010

Physics
A block of mass = 2.20 kg slides down a 30.0 deg incline which is 3.60 m high. At the bottom, it strikes a block of mass = 7.00 kg which is at rest on a horizontal surface . (Assume a smooth transition at the bottom of the incline.) If the collision is elastic, and friction ...
October 26, 2010

Physics
I'm not sure why I keep getting the wrong answer, but I do. Thanks for the help anyway :D
October 26, 2010

Physics
A 930 kg sports car collides into the rear end of a 2500 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.6 m/s before stopping. The police officer, knowing that the coefficient of kinetic friction between tires and road ...
October 26, 2010

Physics
A 930 kg sports car collides into the rear end of a 2500 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.6 m before stopping. The police officer, knowing that the coefficient of kinetic friction between tires and road is...
October 24, 2010

Physics
Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400 kg that is traveling horizontally at 10.4 m/s. Olaf's mass is 67.8 kg...
October 24, 2010

Physics
Vi= sqrt(2*.8*3430*2.6)/930 Vi= 3.9
October 24, 2010

Physics
A 930 kg sports car collides into the rear end of a 2500 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.6 m before stopping. The police officer, knowing that the coefficient of kinetic friction between tires and road is ...
October 24, 2010

Physics
Now assume that the pitcher in Part D throws a 0.145-kg baseball parallel to the ground with a speed of 32 m/s in the +x direction. The batter then hits the ball so it goes directly back to the pitcher along the same straight line. What is the ball's velocity just after ...
October 24, 2010

Physics
A 930 kg sports car collides into the rear end of a 2500 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.6 m before stopping. The police officer, knowing that the coefficient of kinetic friction between tires and road is ...
October 24, 2010

Physics
A bullet of mass is fired horizontally with speed at a wooden block of mass resting on a frictionless table. The bullet hits the block and becomes completely embedded within it. After the bullet has come to rest within the block, the block, with the bullet in it, is traveling ...
October 18, 2010

Physics
A block of weight = 25.0 N sits on a frictionless inclined plane, which makes an angle = 34.0 with respect to the horizontal, as shown in the figure. A force of magnitude F= 14.0 N, applied parallel to the incline, is just sufficient to pull the block up the plane at constant ...
October 17, 2010

Physics
A spring-loaded toy gun is used to shoot a ball of mass m=1.5 kg straight up in the air. The spring has spring constant k=667 N/m. If the spring is compressed a distance of 25.0 centimeters from its equilibrium position and then released, the ball reaches a maximum height (...
October 17, 2010

Physics
How much work did the movers do (horizontally) pushing a 140-kg crate 10.1 m across a rough floor without acceleration, if the effective coefficient of friction was 0.60?
October 17, 2010

Physics
A 285-kg load is lifted 22.0 m vertically with an acceleration a=0.170 g by a single cable. Determine the tension in the cable. (N) Determine the net work done on the load. (J) Determine the work done by the cable on the load. Determine the work done by gravity on the load. ...
October 17, 2010

Physics
How much work is required to stop an electron (m= 9.11 * 10^-31 kg) which is moving with a speed of 1.80×10^6 m/s?
October 17, 2010

Physics
A block of weight = 25.0 N sits on a frictionless inclined plane, which makes an angle = 34.0 with respect to the horizontal, as shown in the figure. A force of magnitude = 14.0 N, applied parallel to the incline, is just sufficient to pull the block up the plane at constant ...
October 17, 2010

Physics
In the rope climb, a 68 athlete climbs a vertical distance of 9.0 in 13 . What minimum power output was used to accomplish this feat? In Watts
October 17, 2010

Physics
Consider the earth following its nearly circular orbit about the sun. The earth has mass 5.98*10^24 and the sun has mass 1.99*10^30. They are separated, center to center, by r=150 million k. What is the size of the gravitational force acting on the earth due to the sun?
October 3, 2010

Physics
The jet is moving at 500 m/s in a verticle loop, with a minimum radius of 4000 m. Calculate the 69-kg pilot's effective weight (the force with which the seat pushes up on him) at the bottom of the circle, and at the top of the circle (assume the same speed).
October 3, 2010

Physics
If the jet is moving at a speed of 1800 km/h at the lowest point of the loop, determine the minimum radius of the circle so that the centripetal acceleration at the lowest point does not exceed 6.4 g's The jet is moving in a verticle loop
October 3, 2010

Physics
If the jet is moving at a speed of 1800 at the lowest point of the loop, determine the minimum radius of the circle so that the centripetal acceleration at the lowest point does not exceed 6.4 's The jet is moving in a verticle loop
October 3, 2010

Physics
Thanks for the help, but it said it wasn't right.... I did 4.47*(6.38*10^3) Is that right?
October 3, 2010

Physics
What is the distance from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth is 1/20 of its value at the Earth's surface?
October 3, 2010

Physics
ok... but I don't have the mass...
October 3, 2010

Physics
How large must the coefficient of static friction be between the tires and the road if a car is to round a level curve of radius 95 at a speed of 95 ? Express your answer using two significant figures.
October 3, 2010

Math
thanks, i understand the formula, i don't understand what goes where. Can you show me steps.
September 12, 2010

Math
Please find the slope and y-intercept of the line: y=-9/8x - -4/5
September 12, 2010

programming
I really need help on this I'm kind of confused on homework Frist i have to create a Currency Conversion Design Assingment-Hierachy Chart. I put Main Display Menu Get_Int_Value Convert Currency Display Results I also need to create a Currency Conversion Development ...
October 18, 2009

programming
Okay i did the input output now i have to do design which is Main Module puEnd Main Module, Input Data Module,End input data Module, perform Caclulations Module, Output results Module, And End Output Results Module... Please if you can help me Thanks
October 15, 2009

programming
would that be process then input then output I for one have never done this before and its been hard trying to put it together i have read and read examples but its not clicking in my head for some reason not sure why??
October 15, 2009

programming
Thanks for the info... here is the problem that im having trouble with.... Design a program ( I can use a pseudocode to write the program) That models the worms behavior in the following scenario. a worm is moving toward an apple. Each time it moves the worm cuts the distance ...
October 15, 2009

programming
•Hi I really need help with with this I dont think I'm understanding how to do it maybe because i have never done this Design a program (you can use pseudocode to write your program) that models the worm’s behavior in the following scenario: A worm is moving ...
October 15, 2009

programming
•Hi I really need help with with this I dont think I'm understanding how to do it maybe because i have never done this Design a program (you can use pseudocode to write your program) that models the worm’s behavior in the following scenario: A worm is moving ...
October 15, 2009

algebra 2 trig
i need to find out how to solve this problem: 9x+2 7 ---------- + --- 3x^2-2x-8 3x^2+x-4
September 27, 2009

social studies
can u please help me unscramble this word MOODOK its some kind of snake
October 16, 2008

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