Tuesday
July 22, 2014

Posts by Anonymous


Total # Posts: 70,521

social psychology
people direct their attention to those aspects of what they see that stand out rather than blend. this is called ?

statistics
the heights of the "basketball fans" at a highly anticipated basketball game.

Hunting training
20. Which Best of Breed winner may not compete for Best in Field in lure coursing events? A. Greyhound B. Italian Greyhound C. Whippet D. Basenji I picked B

Hunting training
19. Which of the following is a reason for dismissing a dog from a lure coursing event? A. Interfering with the run of another dog B. Refusing to return to the handler C. Starting before the tally-ho is sounded by the huntmaster D. Failing to run I picked A

Hunting training
12. Which of the following statements is false? A. In a hunting test, a dog competes against a standard of perfection rather than against other dogs. B. A hunting test is a non-competitive event. C. Hunting tests are available for pointing breeds, retrievers, spaniels, and hou...

hunting training
Answers c

hunting training
7. Which of the following is not a characteristic of a good field trial or hunting test dog? A. Finding birds or other game B. Good scenting ability C. Running at the sound of a shot D. Retrieving downed birds from land or water picked A

hunting training
3. AKC Retriever field trial Derby stakes are open to which of the following dogs? A. Retrievers older than two years of age B. Retrievers younger than two years of age C. Retrievers that go directly to birds D. Retrievers that know how to do a blind retrieve picked B

hunting training
2. Which of the following statements is true? A. Field trials are noncompetitive events. B. Field trials are open only to retrievers and pointers. C. Field trials are open only to dogs that have a conformation championship. D. Field trials are competitive events in which dogs ...

Math
I know that I posted this already but my question has not been answered.. Solve in the exact form. Original problem: (sqrt of 4x+1)+(sqrt of x+1)=2 4x+1 + 2√(4x^2+13x+3) + x+3 = 4 Where does the 2 come from according to the equation above?? This 2:-----> 2√(4x^2...

finance
Based on the following information, what amount would be SUBTRACTED from the BANK BALANCE side of a checking account reconciliation? Service charge $12, Outstanding checks $145, Interest $3.50, Deposit in transit $80

biology
nvM i got the answer!

biology
You have discovered a new species of yeast and you would like to determine the pathway that this organism uses to synthesize the amino acid tryptophan. This yeast species can take up tryptophan, or synthesize it on its own if tryptophan is not present in the environment. Furth...

Social Studies
what was the location of George Washington's home? I think it is Mount Vernon, but from research I see he also lives at Pope's Creek where he was born, and Ferry Farm on the Rappahannock River where he spent much of his youth.

Social Studies
what did Lincoln mean when he stated, "If we falter and lose our freedoms, it will be because we destroyed ourselves." I think he meant that when our government policies start doing more damage than all of America's enemies have done, we as a nation are allowing ...

electric circuit
I suspect that Steve has the diagram right. Then each of the six branches can carry 1.5 amps so 9 amps total 9*12 = 108 Watts

science
7

science
10

science
Mufaddal wants to travel from point H to point F as shown in image. How many ways can he travel from point H to point F if moving north and west directions are not permitted? 12 7 10 4

chemistry
We can build the model in a spreadsheet simulating ten layers in the filter. For each layer we calculate the headloss with Carmen-Kozeny and calculate from this the pressures as a function of the place in the filter. Calculate the headloss and the actual pressure in each layer...

science
Mufaddal wants to travel from point H to point F as shown in image. How many ways can he travel from point H to point F if moving north and west directions are not permitted? 12 7 10 4

area
Alice’s backyard is a rectangular piece of property that is twice as long as it is wide. The total area of her yard is 1,000 m2. What is the approximate width of her backyard?

PHI 208 Week 4 Reading Quiz
Hill would agree most with which of the following statements?

business
one way for a country to obtain an absolute advantage in marketing a product outside it's boarders is to

math
Indicate the equation of the line through (2, -4) and having slope of 3/5

math
Indicate the equation of the line that is the perpendicular bisector of the segment with endpoints (4, 1) and (2, -5).

trig
evaluate the expression under the given conditions tan 2 theta; cos theta=7/25, theta in quadrant I

Urgent Calculus Help 2
Thank you!

Urgent Calculus Help 2
Find the equation of the tangent line to the graph of f(x) = 6x ln(x + 4) at x = 2.

Urgent Calculus Help
Thank you Damon! :)

Urgent Calculus Help
Let H(x)=F(G(x)) and J(x)=F(x)/G(x). Suppose F(7)=4, F′(7)=−8 G(7)=3, G′(7)=−5 G(2)=7, G′(2)=−2 then H′(2)= J′(7)=

precalculus
A Ferris wheel is 10 meters in diameter and boarded from a platform that is 3 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 4 minutes. How many minutes of the ride are spen...

Physics
Vy = sqrt(Uy^2 - 2gh); Uy = U sin(theta) Vx = Ux = U cos(theta) So |V| = sqrt(Vy^2 + Vx^2) = sqrt(Uy^2 - 2gh + Ux^2) = sqrt(U^2 - 2gh) = sqrt(40^2 - 2*9.8*10) = 37.46998799 = 37.47 ANS B. Note that U^2 = Uy^2 + Ux^2.

Physics
A baseball is thrown with a speed of 40m/s at an angle of 30 degrees. Neglecting friction what is the speed of the ball in m/s when it reaches a height of 10 meters?

Physics
PE=mgh 5*9.8*15= 735 Power= Energy/time so.. t=E/P t=735/500 t=1.47

Physics
A motor outputs power of 500 watts and is used to raise a 5kg mass vertically at constant speed. How long in seconds does it take to raise the mass 15 meters?

Physics
For a 0.1-kg frog to jump to a height of 80cm requires how much energy in joules? A) 0.566 Joule. B) 0.784 Joule. C) 0.584 Joule. D) 0.287 Joule. Not sure what I am missing... PE=mgh (0.1)(9.8)(80)= 78.4

Chemistry
How much ethylene glycol (C2H6O2, the major component of antifreeze) must be added to 1 L of water to keep from it freezing at -15 °F?

physics
A person whose mass is m = 100.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α = 32.7° with the horizontal. What is the reading on the scale?

Physics
Car A travels with speed v around curve number one, which has a radius r. Car B travels with speed 2v around curve number two, which has a radius 2r. What is the ratio of the two accelerations A/B? A) 2 B) 4 C) 1/2 D) 1/4 E) 1

Physics
W=Fd Lifting: Ramp: w=(1500)(1) w= (800)(2) w= 1500 w= 1600 1500<1600; more work using ramp Answer: a

Physics
W=Fd Lifting: w=(1500)(1) w= 1500

Physics
15. A refrigerator weighing 1500 N is to be lifted onto a truck bed that is 1.0 m above the ground. When pushed up a slanting ramp 2.0 m in length a force parallel to the ramp of only 800 N is required to move it at constant velocity. Comparing the work involved in lifting the...

Physics
V=Vo+at v=15.5+3(3.6) v=15.5+10.8 v=26.3 m/s

Physics
A car traveling with an initial velocity of 15.5 m/s accelerates at a constant rate of 3.0 m/s2 for a time of 3.6 seconds. (a) What is its velocity at the end of this time? A) 26.3 m/s B) 18.5 m/s C) 10.8 m/s D) 22.1 m/s E) 19.1 m/s

Physics
you need to solve for time first: d=Vot + 1/2at^2 use g for acceleration 4.9=0+1/2(9.8)t^2 4.9= 4.9 t^2 t^2= 4.9/4.9 t^2=1 t= sqrt(1)=1 Now that you have t you can solve for d: d=vt d=(680m/s)(1) d=680m

Physics
A bullet is fired horizontally from a height of 4.9 m with a velocity of 680 m/s. How far away does the bullet land? A) 680 m B) 340 m C) 1360 m D) 170 m E) 800 m

Physics
centripetal acceleration= v^2/r=s^2/r car A: s^2/r 1/1=1 car B: s^2/r 2s^2/2r 4s/2r =2 Car A/B= 1/2

Physics
Car A travels with speed v around curve number one, which has a radius r. Car B travels with speed 2v around curve number two, which has a radius 2r. What is the ratio of the two accelerations A/B? A) 2 B) 4 C) 1/2 D) 1/4 E) 1

Physics
lifting force so add acceleration 9.8+2 2m/s= 11.8 11.8*50kg= 590N

Physics
Your mass is 50 kg. Suppose you are standing on a scale in an elevator which starts moving up and increases its speed at the rate of 2 m/s every second. What would be the reading on the scale? A) 590 N B) 490 N C) 390 N D) 100 N E) 0

Physics
D

Physics
A ball is thrown as a projectile with a horizontal velocity of 30 m/s and a vertical velocity of 30 m/s. At the highest point which of the following is true? A) The velocity is zero B) The acceleration is 0 C) The acceleration is 9.8 m/s2 D) The acceleration is -9.8 m/s2 E) Th...

Quest
How do you write 9th july 2014 in 5 letters without using numbers ?

Physics
v^2=vo^2+2ad 30^2=10^2+2(-9.8)(d) 900=100+(-19.6)d 800=-19.6d d=40.8

Physics
A stone is thrown upward from a bridge at a speed of 10 m/s. It narrowly misses the bridge on the way back down, and hits the water at 30m/s. what is the approximate height of the bridge?

Physics
A girl on a sled with a total mass of 90kg starts from an elevation of 100meters. At the bottom of the run her speed is 30m/s. How much energy in joules was lost due to friction?

Physics
Due to a strong wind from the west of 65 km/h, a plane ends up traveling 330 km/h [W 15 S] relative to the ground. What was the magnitude of the velocity of the plane relative to the air in km/h?

physics
a man weighing around 260 pounds falling 5.5 feet vertically would have generated a force of how many pounds?

Physics
Jeffrey wants to swim his girlfriend who is straight across from him, on the other side of a river bank. The river has a current velocity of 4km/h [W]. The width of the river is 300m. If it takes Jeffrey 15 minutes to reach her, a) how fast should the boy swim to cross the riv...

math
What number sets does square root 3 belong to?

mechanism physics
if a 10kg block with a velocity of 10m/s collide with a stationary block of 5kg , after collission the two blocks move stick together.calculate the velocity after collision for a 10 kg block?

Physics-help please!
A net torque of 54 N.m is applied to a disk with a rotational inertia of 13.2 kg.m2 What is the rotational acceleration of the disk?

calculus
f(t) = − 4 t2 − t− 6 Find the equation of the line tangent to the graph of f(t) at t = 8. Enter the equation of the tangent line here (in terms of the variable t):

calculus
If C′(62) = 120 and R′(62) = 145, approximately how much profit is earned by item number 63?

Math/Statistics
A group of 10 students have average of GPA of 2.8 with SD of 0.3. Does this group present enough evidence to indicate that the average GPA is less than 3.0? Make your decision at a 5% level of significance.

cc
You are offered two different sales jobs. The first company offers a straight commission of 9% of the sales. The second company offers a salary of $ 260 per week plus 4% of the sales. How much would you have to sell in a week in order for the straight commission offer to be at...

Managerial Economics
HoneyBee Farms, a medium-size producer of honey, operates in a market that fits the competitive market definition relatively well. However, honey farmers are assisted by support prices above the price that would prevail in the absence of controls. The owner of HoneyBee Farms, ...

math
17. Jenny, Greg, & Hank gather their marbles and have 20 in total. If Jenny has 3 less than twice the number Greg has, and Hank has 1 less than Greg has, how many marbles do each of them have?

Physics
(31)(10.8)/17N= 19.69411765 cm = 0.1969411764m

Physics
A weight of 31 N is located a distance of 10.8 cm from the fulcrum of a simple balance beam. At what distance from the fulcrum should a weight of 17 N be placed on the opposite side in order to balance the system?

Physics
a.)N= r*F (32N)(.27m)= 8.64 N.m b.) half of .27=0.135 t= F*d (32N)(0.135)= 4.32 N.m

Physics
A force of 32 N is applied at the end of a wrench handle that is 27 cm long. The force is applied in a direction perpendicular to the handle as in the diagram. (a) What is the torque applied to the nut by the wrench? (b) What would the torque be if the force were applied half ...

Physics
a.) (1.4)(4.7)=6.58 rev/s b.) half of 6.58 is the average rev/s as it is constant acceleration so (3.29)(4.7)=15.463 revolutions

Physics
A bicycle wheel is accelerating at the constant rate of 1.4 rev/s2 (a) If it starts from rest, what is the rotational velocity after 4.7s? (b) Through how many revolutions does it turn in this time?

Physics
a= change in w divided by change in t (Wfinal- Winitial)/ time (2.1-1)/5.8 =0.189655172 rad/s ^2

Physics
The rotational velocity of a merry-go-round increases at a constant rate from 1 rad/s to 2.1 rad/s in a time of 5.8 s. What is the rotational acceleration of the merry-go-round?

Physics
a.)2π radians = 1 revolution 4π radians = 2 revolutions 4*π=12.56637061 rad b.) (2rev/ 5.5sec)(2π radians/revolution) (0.363636)(6.283185301) = 2.284794657

Physics
Suppose that a disk rotates through two revolutions in 5.5 seconds. (a) What is its displacement in radians in this time? (b) What is its average rotational velocity in rad/s?

Physics
a.) 2 b.) 2

Physics
Consider two cases in which the same ball is thrown against a wall with the same initial velocity. In case A, the ball sticks to the wall and does not bounce.In Case B, the ball bounces back with the same speed that it came with. a.) In which of the two cases is the change in ...

Physics
a.) KE= 1/2mv*v 1/2(11300)(19.3)2= 2104568.5 J b.) Mtotal=5carts*11300kg=56500kg Vfinal= Pfinal/Mtotal (11300)(19.3)/56500= 3.86 KEfinal= 1/2(Mtotal)(Vfinal) 1/2(56500)(3.86)2= 420913.7 c.) carts stick together so perfectly inelastic which means energy is NOT conserved

Physics
Four railroad cars, all with the same mass of 11300 kg, sit on a track, as shown in the figure below. A fifth car of identical mass approaches them with a velocity of 19.3 m/s (to the right). This car collides and couples with the other cars. (a) What is the kinetic energy of ...

Physics
Four railroad cars, all with the same mass of 11300 kg, sit on a track, as shown in the figure below. A fifth car of identical mass approaches them with a velocity of 19.3 m/s (to the right). This car collides and couples with the other cars. (a) What is the kinetic energy of ...

Riddle
your driving a bus. at the first stop you pick up 10 people then you pick up 789 people and on the right you drop off 453 so what is the bus drivers name?

chemistry
4g NaOH is dissolved in 100mL of 2.5M H2SO4 will be required for its complete neutralization?

Chemistry
If a solution of formic acid contains 0.2 M HCHO2, 0.006 M CHO2-, and 0.006 M H+, What is the Ka of the acid? What is the ph of the solution at the concentrations given? What would happen to the equilibrium position if more CHO2- were added to the solution?

Electro 1
Q

general chem
what is the mass percent of sodium hydroxide in a solution that is made by dissolving 8 grams of sodium hydroxide in 50 grams of h2o answer

Physics
Consider two cases in which the same ball is thrown against a wall with the same initial velocity. In case A, the ball sticks to the wall and does not bounce.In Case B, the ball bounces back with the same speed that it came with. A.)In which of the two cases is the change in m...

Physics
Four railroad cars, all with the same mass of 11300 kg, sit on a track, as shown in the figure below. A fifth car of identical mass approaches them with a velocity of 19.3 m/s (to the right). This car collides and couples with the other cars. (a) What is the kinetic energy of ...

Physics
A railroad car with a mass of 12400 kg collides and couples with a second car of mass 18700 kg that is initially at rest. The first car is moving with a speed of 7.7 m/s prior to the collision. (a) What is the initial momentum of the first car? (b) If external forces can be ig...

Physics
A.)p = m * v With the bullet travelling at v =413 m/s with a mass of 0.0045 kg: p(bullet) = 0.0045 * 413 p(bullet) = 1. 8585 N.s answer: 1.8585 N.s B.)The recoil velocity of the rifle, this is a conservation of momentum problem. So, p(initial) = p(final) In other words, the pr...

Physics
A rifle with a mass of 1.84 kg fires a bullet with a mass of 4.5 g (0.0045 kg). The bullet moves with a muzzle velocity of 413 m/s after the rifle is fired. (a) What is the momentum of the bullet after the rifle is fired? (b) If external forces acting on the rifle can be ignor...

Physics
a.) impulse= 60kg x (18.4-0)= 1104 kg/s B.) avg force= impulse/time 1104/0.6= 1840 N

Physics
A 60-kg front seat passenger is moving in a car initially with a speed of 18.4 m/s is brought to rest by an airbag in 0.6 sec. (a) What is the impulse acting on the passenger? (b) What is the average force acting on the passenger in this process?

Physics
Impulse=Ft a.) (36.7)(0.3)= 11.01 N.s b.) same answer as part a = 11.01 impulse=change in momentum

Physics
A force of 36.7 N acts on a ball for 0.3 sec. If the ball is initailly at rest (a) What is the impulse on the ball? (b) What is the final momentum of the ball?

Physics
momentum= mass x velocity momentum of bowling ball: (7)(1.73)=12.11 momentum of baseball: (0.12)(25.1)=3.012 answer: a.) the bowling ball has the larger momentum

Physics
A bowling ball has a mass of 7 kg and a speed of 1.73 m/s. A baseball has a mass of 0.12 kg and a speed of 25.1 m/s. Which ball has the larger momentum? a. The bowling ball. b. More information needed c. The baseball. d. Both have the same momentum

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