# Garrett

Most popular questions and responses by Garrett
1. ## Physics

A pump is required to lift a mass of 750kg of water per minute from a well of depth 13.2m and eject it with a speed of 17.4m/s. A) How much work is done per minute in lifting the water? B) How much in giving the water the kinetic energy it has when

2. ## Linear Algebra

Let L1 be the line passing through the point P1=(9, −1, 15) with direction vector →d1=[−2, −1, −3]T, and let L2 be the line passing through the point P2=(9, 4, 8) with direction vector →d2=[−2, −1, −1]T. Find the shortest distance d

3. ## chemistry

a quantity of gas is collected over water at 15C. The manometer indicated a pressure of 24.0kPa. what would be the pressure of the dry gas?

4. ## MATH

what relation is a doorstep to a doormat

5. ## Physics

A hammer of mass M is moving at speed v0 when it strikes a nail of negligible mass that is stuck in a wooden block. The hammer is observed to drive the nail a distance L deeper into the block. A) Find the magnitude F of the force that the wooden block

6. ## Physics

A 65-kg diver jumps off a 10.0-m tower. a) Find the diver's velocity when he hits the water. b) The diver comes to a stop 2.0m below the surface. Find the net force exerted by the water. I get the first part: sqrt(2ad), thus about 14 m/s downwards. For

7. ## Physics

A factory worker pushes a 29.2kg crate a distance of 4.1m along a level floor at constant velocity by pushing downward at an angle of 28 degrees below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. (a) What

8. ## Math

Five pounds of birdseed is used to fill 4 identical bird feeders. A. What fraction of the birdseed will be needed to fill each feeder B. How many pounds of borked seed are used to fill each feeder? C. How many ounces of birdseed are used to fill three bird

9. ## algebra

Which properties did Carmen use to solve the following problem? 17 + (45 + 23) 17 + (23 + 45) (17 + 23) + 45 40 + 45 85

10. ## CHEMISTRY!!

For the diprotic weak acid H2A, Ka1 = 2.0 × 10^-6 and Ka2 = 6.7 × 10^-9. What is the pH of a 0.0800 M solution of H2A? What are the equilibrium concentrations of H2A and A2– in this solution?

11. ## Science

he specific heat of gold is 0.031 cal/g°C. Fifty grams of gold will require ____ calories to raise the temperature 1°C. 3.1 6.2 1.55 50

12. ## Chemistry

How many grams of Ni(OH)2 are produced from the reaction of 45.0mL of 1.75 M NaOH solution?

13. ## finance

Assume that Kish Inc. hired you as a consultant to help estimate its cost of capital. You have obtained the following data: D0 = \$0.90; P0 = \$30.00; and g = 7.00% (constant). Based on the DCF approach, what is the cost of equity from retained earnings?

14. ## physics

a 1500 kg car moving at 20 m/s strikes a truck waiting at a traffic light, hooking the bumpers. The two continue to move together at 10 m/s. What was the mass of the truck?

15. ## physics

a 1000 kg sports car accelerates from 0-30 m/s in 5.0 s. What is tge average power delivered by the automobile engine?

16. ## Chemistry

Based on the number of moles of H_2SO_4, determine the number of moles of Na_2CO_3 needed for the neutralization reaction. Sodium carbonate ( Na_2CO_3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to

17. ## physics

a cannon with mass of 2,000 kg fires a 10 kg shell with a velocity of 200 m/s at an angle of 60 degrees above the horizontal. What is the recoil velocity of the cannon across the level ground?

18. ## Physics

You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.8m above the ground, it is traveling at a speed of 25.0m/s upward. A) Use the work-energy theorem to find its speed just as it left the ground. What is

19. ## Biology

Compared to atoms of the same element, isotopes have different A. numbers of neutrons. B. numbers of protons. (C. types of subatomic particles.) D. numbers of electrons.

20. ## Science

A factory worker pushes a 29.2kg crate a distance of 4.1m along a level floor at constant velocity by pushing downward at an angle of 28* below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25.

21. ## PHYSICS

You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.8m above the ground, it is traveling at a speed of 25.0m/s upward. A) Use the work-energy theorem to find its speed just as it left the ground. What is

22. ## chemistry

How many liters of pure oxygen at STP is consumed by a human being in 24 hours if the human body requires daily energy that comes from metabolizing 816 grams of sucrose (C12H22O11)? C12H22O11(s ) + 12 O2(g) => 12 CO2(g)+11 H2O

23. ## Precalculus

Suppose H(X)=(3-7x)^6 Find two functions f and g such that (f•g)(x)=H(x) Neither function can be the parent/ identity function

24. ## Chemistry

what volume of 2.50 M HCl in liters is needed to react completly(with noting left over) with .750 L of 0.500MNacCO3

25. ## geometry

Each time Old Faithful in Yellowstone National Park erupts, rangers can estimate the height of the geyser by comparing it to the height of a tree. First the rangers locate a tree of the same height. The shadow of the tree is 93 ft at the same time that the

26. ## LSU

Two point charges Q1 = -26.8 micro-Coulombs and Q2 = +38.5 micro-Coulombs are located on a vertical line with Q1 below Q2. The coordinates of Q1 is (0.0, -6.8 cm). The two charges are 28.6 cm apart. Determine the coordinates of the location where the net

27. ## chemistry

what volume does 2.5 moles of carbon monoxide occupy at 50.5 kPa pressure and 20.0 C?

28. ## Physics

An object with mass 3.0 kg is executing simple harmonic motion, attached to a spring with spring constant k =210 N/m. When the object is 0.23 m from its equilibrium position, it is moving with a speed of 0.72 m/s. (a) Calculate the amplitude of the motion.

29. ## Analytical Mechanics

A car traveling at 100Km/hr smashes into a concrete abutment. Show that the collision is the equivalent to driving off the top of a ten story building. Allow 4 meter per story and neglect air resistance. Next, find the equivalent vertical height to

30. ## Physics

An impulse of 25 N*s is exerted on a 0.25 kg baseball traveling 40 m/s west. What is the velocity of the baseball after it has been hit?

31. ## trig

Verify the trigonometric identity. Please show all steps. tanx-cotx/tanx+cotx=sin^2x-cos^2x

32. ## Math

for every girl taking classes at the school, there are 3 boys who are taking classes at the school. If there are 236 students taking classes, write and solve a propotion to predict the number of boys taking classes at the school.

33. ## Chemistry

What is the boiling point of a solution made using 731g of sucrose, C12H22O11, in 0.250kg of water,h2o ?

34. ## algebra

56 sandwiches 2 x as many as 1 st and 4 x as many as 1st

35. ## Chemistery

A hot air balloon with a volume of 3.20 x 10^3 L and 120 moles of air is at a temperature of 20C. How many moles of air will the balloon contain if it expands to 4.80 x 10^3 L and the air is heated to 45C?

36. ## trig

If a flywheel 8 ft. in diameter rotates at 80 rpm., what is the linear velocity of a point on the outside edge, in feet per minute in terms of pi?

37. ## elemetary elgabra

A tree casts a shadow 25 m long. At the same time, the shadow cast by a 57-cm tall statue is 66 cm long. Find the height of the tree to the nearest meter.

38. ## chemistry

A quantity of gas has a volume of 121 L when confined under a pressure of 2.50 atm at a temperature of 20.0 C. At what pressure will its volume be 30.0 L at 25.0 C?

39. ## Perimeter and area

The gadget comes with a page of instructions. When page is unfolded, it is 81 square inches. If one page is nine inches wide what is the perimeter?

40. ## calculus

A car is travelling at 90mph when its brakes are fully applied, producing a constant deceleration of 22 ft/sec2. Find the distance covered by the car before it comes to a stop. (Remember: 60 mph equals 88 ft/sec.)

41. ## Math

Find the most general function f such that f′′(x) = 16 cos 4x .

42. ## Geography

A geographer decides what ____________ to use for a map by determining how much detail to show? Scale

44. ## math

find the equation (in standard form using only integers) for the line through (2, -5) that is parallel to 2x-3y=5

45. ## algebra

I need to check & see if I understand this. 100,000 base 100 is 100 with an exponent of 5, right?

46. ## Math

Need to figure out surface area of 144 times larger than 1928^2. SA=1928in^2 Answer in feet^2. My equation is SA = (1928in^2) (144^2) = 1928 x 20736 = 39,979,008 / 12in^2 = 3,331,584 ft^2 the correct answer is 251,712ft^2 can't seem to get it..........

47. ## Math

Hannah and Tyler count the number of times the word "what" occurs. Hannah's data has a mean of 2.7 times. What could Tyler's mean be if his results are similar?

48. ## Chemistry

Please help, if you can. If you have a Log (x) = -0.123 ..... What does x = ?

49. ## Grammar

Which are the simple subject and the verb? The child was treated with erythromycin. was=verb treated = subject. Cultures were taken of the throat. were = verb cultures = subject She was seen here, stabilized, and transferred to County Hospital. she = verb

50. ## can't figure it out

-3d+1/3(6+3d)=-10 -3d + 2+d =-10 -2d=-12 d=6 -3d+2+d= -10 -2d+2= -10 just thought this step should be shown :) -2d= -12 d=6

51. ## Physics

A force of 800 N is required to move a 9000 N boat through the water with a speed of 20 m/s. The boat’s engine is providing energy at a rate of

52. ## Algebra

I have only dimes, nickels, and pennies in my wallet. Seven of the coins are dimes, 25 percent are nickels and 5/9 of them are pennies. How many coins do I have?

53. ## prealgebra

change 40 miles per hour to miles per second

54. ## math

A set of scores with a normal distribution has a mean of 32 and a standard deviation of 3.7. Which score could be expected to occur the least often?

55. ## Math

Lisa is painting a fence that is 26 feet long and 7 feet tall. A gallong of paint will cover 350 square feet. Write and solve a proportion to determine how many gallons of paint Lisa will need. Thanks, Ms. Sue for the last one...I got it!

56. ## Math

If X=11 inches, Y=8 inches, and Z=6 inches, what is the area of the parallelogram above?

57. ## science

what is sparting?

58. ## calculus

If the graph of f passes through the point (1, 0) and the slope of the tangent line at(x, f(x)) is 4x − 3, find the value of f(2).

59. ## science

How do i read a solubility curve to answer a question like: at what temp will 50g of potassium nitrate complete saturate 100cm3 of water

60. ## Grammar

re-posting answers to questions... The patient was returned to the recovery room in good condition. verb = returned , subject patient Physical examination showed marked irritability. physical examination = subject verb = showed,

61. ## Grammar

He was discharged on the fourth hospital day. verb = discharged, he= subject questions hopefully fixed and are correct now... After 24 hours in the hospital he was much improved. improved is a predicate adjective but now is the verb = was and the subject =

62. ## Grammar

Lungs were clear with an occasional cough. verb = were,lungs = subject He was discharged on the fourth hospital day. verb = discharged hospital = subject After 24 hours in the hospital he was much improved. improved is a predicate adjective but now is the

63. ## Math

I need to find a composite number whose factorization has seven prime numbers. Then I have to write it using exponents

64. ## Algebra II

Explain how you know that (n+1)^k -n^k has degree k-1 Notice that expanded the first term is n^k + 2n(k-1) and so on with diminishing powers of n. The second term is n^k so, subtracting the second from the first, the n^k term goes away, leaving the next

1. ## PHYSICS

The first answer posted by Damon is correct, but part B is not, since the problem is an action-reaction pair, the forces will be the same, thus part B is the same answer as part A

posted on June 17, 2019
2. ## chemistry

U r gay

posted on April 22, 2019
3. ## Math

it was rong ( . ) ( . )

posted on July 23, 2018
4. ## Social Studies

Thanks Fred a lot. Thanks to you I got a 100%

posted on January 25, 2018
5. ## Pre Algebra

Both are wrong!!! I got 5 out of 21 with Kelsey's and would have gotten 4 out of 21 with Anonymous.

posted on May 4, 2016
6. ## Algebra

Yes both f and b are nonlinear. When plugged into a graphing calculator they are the only lines that aren't straight plus you should immediately know if it's squared it is going to be a parabola.

posted on March 10, 2016

The answer for number two is A.

posted on February 17, 2016
8. ## Chemistry

C9H7N (aq) + H2O---> C9H7NH+ (aq) + OH- (aq)

posted on October 29, 2015
9. ## spanish

Number one is jugador, a member of a team. and 2 is bucear, to scuba dive

posted on October 25, 2015
10. ## Math 2

10

posted on March 10, 2015
11. ## chemistry

the sample weighs .141 grams. so in order to find the weight of the watch glass you will have to subtract the sample from the total weight(9.203g). Therefore, the watch glass weighs 9.062 grams.

posted on January 31, 2015
12. ## science

NO ASHLEY, IT IS NOT RIGHT AND YOU JUST MADE ME FAIL A QUIZ

posted on October 28, 2014
13. ## Science

(a) What magnitude of force must the worker apply? (b) How much work is done on the crate by this force? (c) How much work is done on the crate by frication? (d) How much work is done on the crate by normal force? (e) How much work is done on the crate by

posted on March 17, 2014
14. ## Describe how you would make 250 mL of 0.500 M HCI

How did you get 12.1 M HCI?

posted on July 20, 2012
15. ## Chemisty

When a sample of potassium nitrate is heated, oxygen gas is produced. This gas, collected in a 750 milliliter flask, has a pressure of 2.8 atmosphere and the temperature is recorded to be 53.6°C. How many moles of oxygen gas are produced in this reaction?

posted on July 3, 2012
16. ## Calc

16

posted on October 10, 2011
17. ## Math

\$6.00-\$4.50=\$1.50 divided by 2 bags of popcorn gives you .75 cents.

posted on February 3, 2011
18. ## Chemistry

75.0G *

posted on December 6, 2010
19. ## Chemistry

and the equation is 2HCL+Na2CO3=2NaCl+H2O+CO2

posted on December 6, 2010
20. ## Chemistry

Thank you!

posted on December 3, 2010
21. ## physics

The answer is actually 14.72 m/s :) (the square root of 1.3*75/.45 = 14.72)

posted on September 29, 2010

Is 8,000 mL greater than or less than 7L

posted on April 27, 2009