Wednesday

April 16, 2014

April 16, 2014

Total # Posts: 320

**physics**

thank you

**physics**

Sorry If the comment above was repeated...Something happened... so the period 1.689*10^3s

**physics**

period is 1/f, right? so if I am looking for period I need to 1/592Hz....which is1.689*10^-3 s, which is very fast

**physics**

period is 1/f, right? so if I am looking for period I need to 1/592Hz....which is1.689*10^-3 s, which is very fast

**physics**

then after that 1/592Hz?

**physics**

What is the expected period of beats formed when two tuning forks sound simultaneously and have the frequencies f1= 250Hz and 242Hz?

**Eng 2**

Which sentence has a compound predicate with a direct object? a) Anne backes cakes and cookies. b) Anne loves to bake cakes. c) Anne took baking classes d)Anne baked a cake and ate it

**algebra 1**

A charity fair raised $6,000 by selling 500 lottery tickets. There were two types of lottery tickets: A tickets cost $10 each, and B tickets cost $60 each. How many tickets of each type were sold?

**chemistry**

What mass of NiSO4 is present in 2.00 x 102ml of 6.00% NiSO4(aq)? (The density of the solution is 1.13g/ml.)

**Grammar**

ok, that is what I thought to!! Thank you so much!!

**Grammar**

Select the correctly punctuated sentence. 1. Thank you for asking me to meet with your patient, Wonder Woman, who came to the appointment accompanied by her husband. 2.Thank you for asking me to meet with your patient Wonder Woman who came to the appointment accompanied by her...

**physics**

what is the difference between impact distance and horizontal distance?

**College Math**

A plane flies 460 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 30 mph, what is the speed of the plane in calm air?

**algebra**

-11.2=1.6+w/8= solve for w

**geometry**

Find the area of the quadrilateral in Exam Figure 5. Round your answer to two decimal places.

**physics**

If I have 1.5 moles of an ideal gas at a pressure of 3 atmospheres and a volume of 7 liters, what is the temperature?

**physics**

A thin, massless, horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure. A small bug, located at a distance r from the axis, starts crawling inside the pipe at constant speed v (relative to the pipe). Because of the bug, the motor must ...

**yutfv**

by what method did you find 0.25?

**Physics**

for b

**Calculus **

1) Find correct to six decimal places root of the equation cos(x)= x for xE[0, pi/2] using Newton's Method. 2) A triangle has two constant lengths of 10 cm and 15 cm. The angle between two constant sides increases at a rate of 9 deg/min. Find the rate of increase of the th...

**Quantum Physics**

uppercase K

**Solid Mensuration**

A spherical wooden ball 1 ft in diameter is used as a float for a boat. If the ball sinks to a depth of 7 inches, find the area of the wetted surface.

**Physics 12**

Help will be appreciated. In a large department store, a shopper is standing on the "up" escalator, which is travelling at an angle of 40 degree above the horizontal and at a speed of 0.75 m/s. He passes his daughter, who is standing on the identical, adjacent "...

**pre ap chem**

determine the partial pressure of hydrogen if it's collected over water at 23 degrees celsius and the system has a total pressure of 724 mmHg then determine the mole fraction of water vapor in the system

**chemistry**

What is the maximum mass of H2O that can be produced by combining 90.8 g of each reactant

**chemistry**

In a household radiator, 1000 g of steam at 100 C condenses. How much heat is released?

**Physics**

g

**physics**

thank you

**physics**

what will happen to the bone structure if earth becomes more dense than its actual density?

**physics**

how to know the raiuds in GMm/r2?

**physics**

how to use the values of total energy and potential energy in a graph?

**Phsyics**

I did not get the answer...

**Phsyics**

Determine the magnitude and direction of the gravitational force exerted a) on the Moon by Earth and b) on Earth by Moon.

**English**

what are the advantages and disadvantages if King claudius and polopnius overhear Hamlet's "to be or not to be" speech?

**science**

what is the probable relationship between the rebound centers and the thickness of ice in canada

**physics**

After 6.00 kg of water at 80.4 oC is mixed in a perfect thermos with 3.00 kg of ice at 0.0 oC, the mixture is allowed to reach equilibrium. When heat is added to or removed from a solid or liquid of mass m and specific heat capacity c, the change in entropy can be shown to be ...

**Chemistry**

Free Surface Vacancies

**Math**

if radius increased by 0.5 cm each year by how much did the circumference increase each year

**Math**

(0,0) (20,7.2) (40,12.8) (60,16.8) (80,19.2) (100,20.0) (120,19.2) (140,16.8) (160,12.8) how do you find the equation curve of best fit with these numbers

**Lies**

What is a synonym for ugly

**Math**

1776

**Math**

Tens and hundred digits are equAland ones and thousands have a sum equal to one of the middle digits the entire digit sum is 21 what year was it made in

**English**

It means you can get A popcorn bag at the bar

**Precalculus **

Write y^2 + 8x = 0 in polar form.

**Biology **

Explain the medical importance of brain-mapping experiments?

**INFORMATION LITERACY**

Exam: 050006RR - INFORMATION LITERACY:STUDY UNIT

**computers**

19. The major reason for the predominance of the PCI bus in the latest models of PCs is that End of exam A. it's exclusively manufactured in the USA. B. the size and form factor make it easy to package. C. the technology was released as open source. D. it uses ASSEMBLER la...

**computers**

9. Two PC repair technicians are discussing the electrical system of a PC. Technician A says that the power supply provides electricity to all the devices in a PC. Technician B says that the power supply supplies 3.3, 5, and 12 volts of AC power. Which technician is correct? A...

**Biology**

Why is knee-jerk reflex exaggerated after the book is clenched?

**Biology**

An individual is born with a genetic abnormality that causes a reduction in the myelin found around a neuron. How might this disorder affect reaction rate? Explain your answer.

**Biology**

What difficulties would be experienced by an individual who did not demonstrate a pupillary light response?

**Precalculas**

The sum of the first 30 terms of one arithmetic sequence is 300 more than the sum of the first 30 terms of another arithmetic sequence. what could the sequences be?

**Precalculus**

Determine a recursive formula for the sequence: 2, 5, 10, 17,......

**Calculus**

for f(x)=-x^2 +1, which value is the largest magnitude? a) average rate of change from x=-1 to x=1 b) instanteneuous rate of change at x=3 c) instanteneous rate of change at x=0 average rate of change from x=-4 to x=0

**MAth**

Determine the value of x for which the function f(x) ={¨€(5x,if x<0;1,if x<0; -5x,if x>0)©Èis discontinuous.

**Math- Probability **

Two regular dice are rolled. what is the probability that the sum is even, given that both numbers are odd?

**Mortgage Class**

So where is the answer?

**government**

which of the following legislative bodies comes closest in its function to the japanese house of councillors

**Physics**

1) Which control on a music player or television set allows you to increase or decrease amplitude of the sound waves that come out of it? 2)Ripple tanks are used to observe two-dimensional waves. What should be the name of the amplitude control for two-dimensional waves? 3)Ima...

**computer science**

File bankruptcy right away!

**Trig**

(cosx/sinx X sinx)(1/cosx - cosx) = sin^2x (cosx)(1-cos^2x) /cosx = sin^2x 1-cos^2x = sin^2x sin^2x = sin^2x PROVED

**Physics-11**

A 12 kg object is at the top of a 41 degree inclined ramp. It is released and it reaches the bottom of the 85 m ramp in 2.3 seconds. what is the force of friction between the object and the ramp? What is the coefficient of friction? Can someone help me do this?

**maths**

What is a 9.8 meter x 6.1 square?

**math**

PLEASE HELP :(

**math**

Ryan wants to use 22 feet of fence to surround a section of grass for his dog to play in. He wants the area of this section of grass to be 30 square feet. Which dimensions could Ryan use for this section of grass? 2ft by 9 ft 3ft by 8 ft 4 ft by 7 fy 5 ft by 6 ft

**math**

In the number 268,743, how many times greater than the 3 is the 6?

**Physics**

1. A car starts from rest and accelerates uniformly at 3.0 m/s2. A second car starts from rest 6.0 s later at the same point and accelerates uniformly at 5.0 m/s2. How long does it take the second car to overtake the first car? 2. A ball is thrown downward from the top of a bu...

**math**

write 3 different ones number you could add to 15 where you need to regroup to find the sum

**Math**

what is the remainder of 4x^80-2x^60+2x^50+7x^37-2x^11+9 divided by x-1

**finance**

g

**Accounting**

If you are closing out a company how would you handle retained earnings? Example: If I opened a company with my own cash for $1,000.00. I know the entry would be: $1,000.00 DB to cash $1,000.00 CR to Retained Earnings If I used the $1,000.00 cash to pay bills and then had no m...

**chem**

A) Athletes that have to compete at high altitudes often go to the location and train for a month or so at these reduced pressures. This would be true of mountain climbers as well. What happens to the body that allows it to compensate ( over this period of time) for the reduce...

**physics**

lol i have no idea either, but lets guess together

**math**

Gemma says that a regular polygon cannot have an exterior angle of 25 degrees. Is she correct? Explain your answewr.

**pop culture**

do you think consolation is true in todays culture

**business**

As company ombudsman, your task is to investigate complaints of wrongdoing on the part of corporate directors and officers, decide whether there is a violation of the law, and deal with the wrongdoers accordingly. Jane, a shareholder of Goodly Corporation, alleges that its dir...

**pre calc**

those weird signs next to the -4 and 4 mean the answer has to be between -4 pi and 4 pi

**pre calc**

A graph of y = cos(1/2 x) - sin( x) for -4ð x 4ð is shown in the figure. Assume z = 4. (the figure is just the graph) its asking me to find the x intercepts but i dont know how. it also asks me to find: The x-coordinates of the eight turning points on the graph are sol...

**chemistry**

What are the products ? CH3-CH2-CH2-CH3 + Br2→

**chemistry**

Why do you think an input of energy is required into a glucose molecule before we can break it down for energy?

**chemistry**

How many moles of CO2 would be made if you have 8 moles of C3H8? C3H8 + 5O2 → 3CO2 +4 H2O

**chemistry**

What is/are the amino acid products when we have an mRNA that is AUGAAAUUU?

**chemistry**

What is/are the amino acid products when we have an mRNA that is AUGAAAUUU?

**chemistry**

How many TOTAL carbons does 3 ethyl 5, 6 di methyl decane have?

**chemistry**

What is the product when ethanol is oxidized?

**chemistry**

How many kilojoules of heat energy does it take to change the temperature of 50 grams of water from 20 C to 24 C?

**chemistry**

If I add more and more HCl to a solution, what will happen to the pOH?

**chemistry**

What kind of conditions would I want if I wanted to get as much CO2 to go into a soda as I could?

**chemistry**

If I change the number of protons in Magnesium from 12 to 13 and make a new element, what is that process called?

**chemistry**

Which of the following will lie flat on a plane? Methane, ethane, ethene, ethyne, chloromethane?

**chemistry**

If there is a radiation that has a half life of 10 days and we have it for 110 days, what will be the fraction of radiation left?

**chemistry**

If I put a red blood cell into pure water it will swell and burst, why is this?

**chemistry**

Which has more grams of NaCl? A 2 molar solution in 2 Liters, or a 3 molar solution in 1.5 Liters?

**chemistry**

If the H+ concentration goes from 1.0 x 10-5 to 2.0 x 10-4 moles/Liter what will happen to the pOH?

**chemistry**

Which has more alcohol? 200 mL of 3.2 % vol/vol beer or wine with 7% vol/vol alcohol and a volume of 100 mL?

**chemistry**

If I have 80 grams of NaCl in 100 grams of water at 20 C, is that undersaturated, saturated or oversaturated?

**chemistry**

If I 131 has a half-life of 8 days, what fraction will be left after a year?

**chemistry**

If C14 has a half-life of 4,000 years, what fraction will be remaining after 36,000 years?

**Mat 117**

(x+5)(x-2)(x+1)>0 What is the solution set? Why am I not getting this at all?

**physics**

How many electrons does a 3.05 kg of water have?