Tuesday
July 29, 2014

Posts by Nick


Total # Posts: 1,060

4th grade
what happens to the sun's radiation?

physics
After flying for 15 min in a wind blowing 42 km/h at an angle of 20° south of east, an airplane pilot is over a town that is 42 km due north of the starting point. What is the speed of the airplane relative to the air?

physics
i need more help

physics
After flying for 15 min in a wind blowing 42 km/h at an angle of 20° south of east, an airplane pilot is over a town that is 42 km due north of the starting point. What is the speed of the airplane relative to the air?

physics
After flying for 15 min in a wind blowing 42 km/h at an angle of 20° south of east, an airplane pilot is over a town that is 42 km due north of the starting point. What is the speed of the airplane relative to the air?

physics
Snow is falling vertically at a constant speed of 6.6 m/s. At what angle from the vertical do the snowflakes appear to be falling as viewed by the driver of a car traveling on a straight, level road with a speed of 66 km/h?

4th grade
subtractiom\n

physics
In the figure below, a stone is projected at a cliff of height h with an initial speed of 45.0 m/s directed 60.0° above the horizontal. The stone strikes at A, 5.20 s after launching. Find the speed of the stone just before impact at A. Find the maximum height H reached ab...

physics
What is the magnitude of the acceleration of a sprinter running at 9.0 m/s when rounding a turn of a radius 26 m?

government
does the senate pass laws?

physics(cross products of vectors)
How do I perform the right hand rule? I'm confused.

physics
Two diamonds begin a free fall from rest from the same height 0.9 s apart. How long after the first object begins to fall will the two objects be 11 m apart?

physics
.02 hr

physics
Two diamonds begin a free fall from rest from the same height 0.9 s apart. How long after the first object begins to fall will the two objects be 11 m apart?

Science
A ball thrown from the edge of a 35m high cliff takes 3.5s to reach the ground below. What was the ball's initial velocity?

physics
A lead ball is dropped into a lake from a diving board 5.24 m above the water. It hits the water with a certain velocity and then sinks to the bottom with this same constant velocity. It reaches the bottom 4.86 s after it is dropped. (Assume the positive direction is upward.) ...

physics
A lead ball is dropped into a lake from a diving board 5.24 m above the water. It hits the water with a certain velocity and then sinks to the bottom with this same constant velocity. It reaches the bottom 4.86 s after it is dropped. (Assume the positive direction is upward.) ...

physics
thanks damon

physics
(a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.52 m/s2 and subway stations are located 1030 m apart, what is the maximum speed a subway train can attain between stations? b)what is the travel time between stations? c)If a subway train s...

Physics
(a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.52 m/s2 and subway stations are located 1030 m apart, what is the maximum speed a subway train can attain between stations? b)what is the travel time between stations? c)If a subway train s...

math
i am working on a math project and i need 10 different representations of the number 256..its due tomorrow

physics
The head of a rattlesnake can accelerate 50 m/s2 in striking a victim. If a car could do as well, how long would it take to reach a speed of 78 km/h from rest?

Physics
Thank you.

Physics
An electric vehicle starts from rest and accelerates at a rate of 3.0 m/s2 in a straight line until it reaches a speed of 26 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 until it stops. a)How much time elapses from start to stop? b)How far does the vehicle travel...

math
Do you mean a bar or a line?

Physics
thanks

Physics
A car traveling 56 km/h is 21.0 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.17 s later. a)What was the car's constant deceleration before impact? b)How fast was the car traveling at impact?

ALGEBRA 2
a=6,b=8

math
I am trying to figure out a lettern pattern and what comes next A,Y,C,W,__ __ ___ I need to explain the rule for this pattern but I am having a hard time

science
two tuning forks are struck at the same time. one tuning forkhas a frequency of 20hz while the second tuning fork has a frequency of 226 hz. How many beats will result?

science
two tuning forks are struck at the same time. one tuning forkhas a frequency of 20hz while the second tuning fork has a frequency of 226 hz. How many beats will result?

Mircoeconomics
A significant difference between monopoly and perfect competition is that: A. free entry and exit is possible in a monopolized industry but impossible in a competitive industry. B. competitive firms control market supply but monopolies do not. C. the monopolist's demand cu...

Math
What is the probability that a random sample of 25 swimmers results in a sample mean of 49 seconds or less?

Mathematics
Two readings are taken from an aircraft's flight record Time - 08:55 Distance travelled - 957 Time - 09:07 Distance travelled -1083 For the period of time between the two readings, how do i calculate a)the distance travelled in kilometres and b)the average speed of the air...

chemistry
Using your knowledge of atoms describe reasons the paper's physical properties are different from the water's physical properties...Please Help

Chemistry
"18 M sulfuric acid is need to prepare 250 ml of a 6.0 M solution" - this is an M1V1 = M2V2 type problem. For help have a look at cal.culate.it/dilution. Meanwhile, using chemCal on the iPhone (cal.culate.it/c) the answer is: 83.3 ml

Chemistry
"5.61 moles of KCl and 2.11 kg of water?" Well, water has a density of 1g/ml. So, 2.11 kg, is 2.11 liters. Therefore you have 5.61 moles in 2.11 liters. Molar is moles per liter, therefore, 5.61 / 2.11 = 2.66 M. For help on moles and molar have a look at cal.culate.i...

math
the formula said 23%

math
Multiple Choice: For each of the given family incomes, find the maximum amount the family should be able to spend on a house. Family income: $61,575 a)$163,936.50 b)$153,836.50 c)$153,937.50 Family income: $54,800 a)$138,500 b)$137,000 c)$138,000

Math
I can't figure any of these problems out any help would be nice peace. Show all steps used to solve the problem. 1.5n + 6 = -4 3.b/-3+5=7 4.17-x/4=-10 5.If 3a - 9 = 6, what is the value of 4a - 1? 6.

Bible
please, can anyone help us?

Bible
Here are some descriptions and I need to know the correct character: 1.I complained and became a leper 2.I was able to interpret dreams because God revealed them to me 3. I was Jacob's deceptive uncle 4.I was the father of Israel's second King 5.I stole some gold from ...

MBA Econ
Business Week, in an article dealing with management, wrote, "When he took over the furniture factory three years ago...[the manager] realized almost immediately that it was throwing away at least $100,000 a year worth of wood scrap. Within a few weeks, he set up a task f...

MBA Econ
Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of unleaded gasoline. They estimated that in mass production the car would cost $40,000 per unit to build. The engineers argued that Congress should force...

chemistry
For information on moles and molar have a look at: cal.culate.it/moles and cal.culate.it/molarity

science
a compound that has positive and negative ions in a regular pattern or crystal is an_______________

spanish sra jmcguin
1. a toy that I had, when young, was a black bear, that I bought in a store. 2. una amiga de infancia ( literally is: a friend from when I was an infant) however is one of those translations that you adapt to the language, so I would say: Sarah is a friend that I know since ch...

chemistry help
Molecular weight os AgNO3 = 169.87 You have 29.66 g, therefore you have 29.66 / 169.87 moles = 0.174 moles. This is in 100 ml. Molarity is moles per liter, so, 0.174 x (1000/100) = 1.75. Concentration of the solution = 1.75 M. Worked out with chemCal for the iPhone/iPod Touch.

Science (urgent)
Suppose 13.7kJ of heat are removed from 33.5g liquid sample of ethanol at 26.8^oC. When all this heatis removed from the substance, at what temperature and in what states will you find the substance?

spanish
Well for the first part I know you need a verb (ser) so I think son should be in there and i am pretty sure it is mis since lasses is plural. and for the second part you could say you don't like them instead of you don't enjoy them which would be no me gusta.

Chemistry
How did you find that value for K?

Chemistry
I am not quite sure how to do this problem, it doesn't seem to fit into any of my given equations: A gas has a volume of 35.5L and a pressure of 765mmHg at standard temperature. If the same sample is placed in a 56.0L container and the pressure is measured at 0.92atm, calc...

microeconomics
Economyst, why do you bother posting things like "I agree" for mutiple choice questions? Your opinion doesn't matter if "agree or disagree" aren't even options for a viable answer champ.

college physics
why nobody is answereing for physics

college physics
An oscillator consists of a block attached to a spring (k = 299 N/m). At some time t, the position (measured from the system's equilibrium location), velocity, and acceleration of the block are x = 0.0817 m, v = -16.9 m/s, and a = -108 m/s2. Calculate (a) the frequency (in...

spanish to english
two sports that are needed ball to ball

5th grade
T-table Y X 1 -3 3 1 5 5 7 9 a) y=2x-5 b) y=3x-4 c) x=4y-3 d) y=7x-2 which equation does relate to the t-table???

world history
what was the document posted to the door of the University of Wittenberg by Marin Luther, that challenged the beliefs of the catholic church.

world history
who is the Italian explorer that traveled to the Caribbean on three occasions but was never convinced that he had discovered a new world.

social studies
What is china's involvement in the World trade Organization?

Re - gurublue
its not writing an essay im having trouble with its writing about baptism in different churches. thanks anyway.

Re - bobpursley
i am so sorry to ask again for help but i am struggling a bit with my homework.thanks for finding the website before. i need to write an essay about baptism in different churches. i have used some of the information on the website you kindly found. i was off school when we wer...

Re - Re teachers
Thankyou for your help .

Re - bobpursley
Sorry typing error. what happens during a baptism in a catholic church ,anglican church ,ortodox church and a baptist church. if there are any websites that explain it simply it will be a great help. thankyou for answering so quickly

Re - Re teachers
what has during baptism in a Orthodox church , a baptist church, an anglican church and a catholic church? thanks

Science
I am doing a power point on hydraulic brakes but I can't find any diagrams of a simple hydraulic brake that points out all the parts but isn't to hard to understand like th ones in the textbook. Does anyone know of any good pictures on the web? thanks:)

Chemistry
correct answer for C is 1.8

appliance repair
The rotor in a shaded-pole motor consists of a. coils energized by alternating current b. a short-circuited loop of copper wire c. a permanent magnet d. an iron cylinder

Science
How many volts does a Printer have? thanks

ENGLISH
What does it mean to vary the sentence pattern within a written work?

analogies
STRING

U.S. History
What are two things the Cherokee did to fit into Georgia's society

geometry
the corresponding sides of similar polygons are ?

Physics (Motion)
A ballon rises at 14m/s, a boy in the ballon throws a ball straight up at 24m/s. How much later does he catch the ball?

Chemistry
So is the answer 74.2g? Or did i do something wrong?

Chemistry
What am i supose to do here? A chemist performs the following experiment: 2FeCl3 + 3CaCO3 ---> Fe2(CO3)3 + 3CaCl If he starts with 105g FeCl3 and excess CaCO3 how many grams of CaCl2 will he obtain? Thanks, ~Nick

Calc
Ohhh, thanks Damon!

Calc
Can someone help me with this calc problem? lim as x->0 (tan^3 (2x))/(x^3)

Calc
Thanks for the help, I know what to do now. :D

Calc
Also , another similar question that I am having trouble with is lim as x->0 (tan^3 (2x))/(x^3)

Calc
How do I evaluate lim as h->0 [5((1/2)+h)^4 - 5(1/2)^4]/h

10th grade
the corresponding sides of similar polygons are?

Physics
mass of star = 3.80 x 1030 kilograms mass of planet = 6.35 x 1024 kilograms mass of moon = 7.63 x 1022 kilograms average distance from star to planet = 1.56 x 1011 meters average distance from planet to moon = 4.26 x 108 meters Use the data above to determine the net force exe...

in/out function rule
input is 0,1,2,3 output is 5,5.5,6,6.5

Physics
The earth orbits the sun once a year (3.16 multiplied by 10^7 s) in a nearly circular orbit radius 1.50 multiplied by 10^11 m. With respect to the sun, determine the following. (a) the angular speed of the earth

physics
At t = 0, a particle moving in the xy plane with constant acceleration has a velocity of vi = (3.00 i - 2.00 j) m/s and is at the origin. At t = 2.00 s, the particle's velocity is v = (6.60 i + 4.00 j) m/s. Find the acceleration of the particle at any time t. (Use t, i, an...

science
i am having trouble caculating denisty, volume and mass with solid shpes and liquids. can you help

11th grade math algebra 2 trig
Dr. Bob222 Iam sorry for my improper use of grammar. (not intended in a smart alike way.) you are buying beads and string to make a necklace. The string coast $1.50; A pack of 10 decorative beads costs $0.50; And a pack of 25 plain beads costs $0.75. You can only spend $7.00 a...

11th grade math algebra 2 trig
you are buying beads and string to make a necklace. The string coast $1.50; A pack of 10 decorative beads costs $0.50; And a pack of 25 plain beads costs $0.75. You can only spend $7.00 and you need 150 beads. You wish the necklace to be as decrative as possiable. How many pac...

11th grade math algebra 2 trig
you are buying beads and string to make a necklace. the string coast $1.50 a pack of 10 decorative beads costs $0.50 and a pack of 25 plain beads costs $0.75 you can only spend $7.00 and you need 150 beads you wish the necklace to be as decrative as possiable how many packs of...

11th grade math algebra 2 trig
i solved for the longer equation and got a=b+4 i put that in the smaller equation and got b-2=b iam confused

11th grade math algebra 2 trig
when i solve for the variables i cancel everything and i dont get an answer

11th grade math algebra 2 trig
the tens digit of a two digit number is 6 more than the units digit. the number is 36 more than the number when the digits are reversed/ what is the number?

2nd grade
Let's see 3+1= 3+2= 3+3= etc...

English
In the sentence: After school, we ran to the playground. is After a preposition?

prefixes,suffixes,roots
is the word homework a prefix

7th grade
what is 2.56 grams equals _____ miligrams

social studies
i need help on this west verginia ohio valley river

home ec
What should you always use when handling hot utensils?

english maybe?
unscramble this word rashpkbao means nosey word

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