# Questions Asked onApril 13, 2012

1. ## english

The shed held a (motley) supply of gardening tools. choose the letter of the word or phrase that best matches the () word outdated decomposing varied (my choice) small please help small

2. ## Physics

2. A pool has an area A = 50 m2 and depth h = 2.5 m. The pool is filled with water to the maximum height. An electrical pump is used to empty the pool. There are two pipes coming out the pump: one is submerged into water has a radius r1 = 4 cm the other

3. ## psychology

Which of the following best demonstrates the goal of congnitive therapy? I think therefore I am (maybe) A fool sees not the same tree that a wise man sees A musician must make music an artist must paint a poet must write if he is to be at peace with

4. ## ENGL-1020

Please help me figure this out! What is he trying to say/What is this poem's meaning? Why did he write it? How does the denotation, connotation and/or level of diction found in the majority of the italicized words play against the level of diction found in

5. ## physics

The angle through which a rotating wheel has turned in time t is given by \theta = a t - b t^2+ c t^4, where \theta is in radians and t in seconds. What is the average angular velocity between t = 2.0 s and t =3.5 s?

6. ## geometry

The area of a regular decagon is 50cm2. What is the area of a regular decagon with sides four times the sides of the smaller decagon?

7. ## physics

Three concentric metallic sphere shells of radii R,2R,3R are given charges Q1,Q2,Q3 respectively. It is found that the surface charge densities on the outer surfaces of the shells are equal. What is the ratio of the charges given to the shells Q1,Q2,Q3?

8. ## math

Suppose a forest fire spread in a circle with radius changing at a rate of 5 feet per minute. When the radius reaches 200 feet, at what rate is the area of the burning region increasing?

9. ## math

Please explain to work this: A rocket is launched from atop a 105-foot cliff with an initial velocity of 156ft/s. the height of the rocket above the ground at time t is given by h= -16t^2 + 156t + 105. When will the rocket hit the ground after it is

10. ## physics

A truck of mass 2000kg travelling due south collides at an intersection with a car of mass 1200kg travelling due east. The car and truck become entangled and move off to the south-east. The truck driver claims to have been travelling at exactly 60km/hr(the

43. ## math/Calculus

A bacterial population starts at 500 and doubles every four days. Find a formula for the population after t days and find the percentage rate of change in population.

44. ## Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example

81. ## calculus

P2 has a mysterious inner product * for which {x+4, 3x-5} is an orthonormal basis. IS there enough information to tell what is the length of 1? If so, compute it. If not say why not.

82. ## physics

How much resistance must a 9-V device have to keep the current about 1 A? A) None of these.B) 1 ohm.C) 9 ohms.D) 4.5 ohms.E) 10 ohms.

83. ## physics needed asap

When you bring a positively charged rod next to the electroscope without touching it, the electroscope is neutrally charged, yet the leaves at the bottom of it repel each other. Why?

84. ## physics

A dentist, experimenting with a new mirror, places it 2.0 cm from a tooth and sees a reduced image located 1.0 cm behind the mirror. What is the focal length of this mirror?

85. ## Math

A landscaper is choosing a compost bin. He wants it to hold exactly 12 cubic feet of compost. Using whole numbers only, how many different sizes can he choose from?

86. ## English--Essay help

I'm in need of some help. What do you think would be a good thesis statement for and essay on abortion pro-life? I have thought about this for at least an hour now, and can't come up with anything that is somewhat good....Ideas would be greatly appreciated

87. ## math

I NEED HELP NOW! I forgot how many inches in a yard

88. ## how do i enter my answer

√4:(32x^11y^15)/√4:(2x^3y^-2) for this equation i got =2x^2y^4√4:y and in my worksheet it says enter it: √b, enter sqrt(b). For example: For 4√3 enter 4sqrt(3) so how would i enter my answer

89. ## Physics

What is the speed of the wave represented by y(x, t) = A sin(kx − ωt),where k = 7.0 rad/cm and ω = 3.6 rad/s? answer should be in cm/s I tried to subtract 7-3.6= 3.4 which is wrong and I also divided 7/3.6=1.94 , but that is wrong too. I don't know how

90. ## chemistry

a 5.0 g sample of ice was heated from -20.0 degrees C o 0 degrees C and remained solid. the specific heat of ice is 2.1 j/gC. How much heat did the ice absorb?

91. ## intermediate algebra

Find the quotient...Show work.....y^4+y+1/y^2-9

92. ## physics

Charge polarization is normally produced by ____________________. A) nuclear interactions.B) contact.C) induction.D) friction.E) electrostatic means.

93. ## maths

A factory was required to produce a crtain number of television in four days. On the first day, it produced 1/6 of the required number of television sets. On the second day, it produced another 18 sets. On the third day it produced twice as many television

94. ## math

In an 8 inch by 12 inch rectangular photograph, the image of a building is 5 inches high. If the photograph is magnified until its perimeter is 720 inches, what is the height, in inches, of the image of the building in the larger photograph?