Monday
December 5, 2016

# Posts by Einstein

Total # Posts: 37

Physics
I don't frickin know that's why im here to scheme answers not to give
January 27, 2016

biology
You're in Mr. Moyer's Bio 205 class at WWU? If you check out page 317 of our book it really helps! "The bulk of the human genome is made of non-coding and repetitive nucleotide sequences" or junk. Hope that helps! Good luck tomorrow :)
February 28, 2013

Math
Is it 2:57
August 14, 2012

Math
Ms.Sue the answer is 2:47.I'm sorry for taking so long.
August 14, 2012

Math
Ms.Sue the answer is 2:47.And i'm sorry for taking so long.
August 9, 2012

Math
here is the problem Ms.Sue 6:32,9:29.
August 9, 2012

Math
dear Ms.Sue what do they mean when they say find the tiime lapse.
August 9, 2012

Math
waht are lapse
August 9, 2012

math
What is the answer to 14m= cm
August 8, 2012

physics
3.14 m/s
December 19, 2011

chemistry
0.5 moles of methane
July 24, 2011

Physics
I believe the units for latent heat are kJ/kg. so should ur answer be in kJ/(kg*km^2)? I don't understand the rest of the problem though.
April 14, 2011

Algebra
y-5>-14 add 5 both sides y-5+5 > -14 + 5 y > -9 set of values is y greater than -9
March 5, 2009

Alegebra
Substitute y = 0 for x -intercept and solve for y
March 5, 2009

Creative Writing
I am working on an oral presentation on Dorothy Parker for my creative writing class. I am required to focus on her non-fiction work. I have researched her endlessly and have come up with nothing. Everything that I am finding concerns her poems and short stories. Could you ...
November 24, 2008

Physics
A constant net force of 406 N, up, is applied to a stone that weighs 33 N. The upward force is applied through a distance of 2.4 m, and the stone is then released. To what height, from the point of release, will the stone rise? I was given this reply: The acceleration a is ...
December 15, 2007

Physics
A 4610 kg helicopter accelerated upwards at 2 m/s^2. What lift force is exerted by the air on the propellers? I was given this reply: The air force on the prop blades is what accelerates the helicopter upward. Use good old Newton's second law: F = M a Concern: When I ...
December 15, 2007

Physics
A 4610 kg helicopter accelerated upwards at 2 m/s^2. What lift force is exerted by the air on the propellers?
December 14, 2007

Physics
A constant net force of 406 N, up, is applied to a stone that weighs 33 N. The upward force is applied through a distance of 2.4 m, and the stone is then released. To what height, from the point of release, will the stone rise? Thoughts: F = ma. Would the acceleration be g? ...
December 14, 2007

Physics
D = 685.44 km Thanks a lot!!
December 14, 2007

Physics
The velocity of the transverse waves produced by an earthquake is 7.2 km/s, while that of the longitudinal waves is 4.2 km/s. A seismograph records the arrival of the transverse waves 68 s before that of the longitudinal waves. How far away was the earthquake?
December 14, 2007

Physic
A) Momentum = (2.465)(65) = 160.222 kgm/s B) 160.222 kgm/s C) Force = 160.222/.050 = 3204.441 N D) 3204.441/[(65)(9.8)] = 5.031
December 14, 2007

Physic
A 65 kg dancer leaps .32 m high. a) With what momentum does the dancer reach the ground? b) What impulse is needed to make a stop? c) As the dancer lands, the knees bend, lengthening the stopping time to .050 s. Find the average force exerted on the body. d) Compare the ...
December 14, 2007

Physics
December 14, 2007

Physics
Rachel pulls her 13 kg suitcase at a constant speed by pulling on a handle that makes an angle x with the horizontal. The frictional force on the suitcase is 28 N and Rachel exerts a 44 N force on the handle. a) What angle does the handle make with the horizontal? b) What is ...
December 14, 2007

Physics
One closed pipe organ has a length of 2.5 m. The frequency of the note is 34.3 Hz. When a second pipe is played at the same time, a 1.7 Hz beat note is heard. By how much is the second pipe too long? Would you have to use the frequency of the second pipe to find the length of ...
December 6, 2007

Physics
The mine shaft is 122.6 m deep. How do I find time?
December 6, 2007

Physics
The mine shaft is 122.6 m deep. How do I find time?
December 6, 2007

Physics
Carol drops a stone into a mine shaft 12.6 m deep. How soon after she drops the stone does she hear it hit the bottom of the shaft?
December 6, 2007

Physics
Yes, I am supposed to use 343 m/s so: (343)(1)(.5)+(343)(2)(.5)=514.5 m/s
December 6, 2007

Physics
A rifle is fired in a valley with parallel vertical walls. The echo from one wall is heard 1.0s after the rifle was fired. The echo from the other wall is heard 1.0s after the first echo. How wide is the valley?
December 6, 2007

Physics
An archer puts a 0.28 kg arrow to the bow string. An average force of 200 N is exerted to draw the sting back 1.1 m. a) Assuming no frictional loss, what speed does the arrow leave the bow? b) If the arrow is shot straight up, how high does it rise? My thoughts: KE = 1/2mv^2. ...
November 16, 2007

Physics
A 20.0 kg cart is moving with a velocity of 7.30 m/s down a level hallway. A constant force of -11.0 N acts on the cart and its velocity becomes 3.50 m/s. a) What is the change in kinetic energy of the cart? b) How much work was done on the cart? c) How far did the cart move ...
November 16, 2007

Physics
An experimental train has a mass of 1.70e4 kg and is powered across a level track by a jet engine that produces a thrust of 4.90e5 N for a distance of 520 m. a) Find the change in kinetic energy. b) Find the final kinetic energy of the train if it started from rest. c) Find ...
November 16, 2007

Physics
Thank you!!
November 14, 2007

Physics
A car is driven at a constant speed of 21 m/s (76km/h) down a road. The car's engine delivers 52 kW of power. Calculate the average force of friction that is resisting the motion of the car. My thinking: Convert 52 kW to 5200 W. Force of friction = force applied because ...
November 14, 2007

Physics
Thank you!!
November 14, 2007

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