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Questions Asked on July 25, 2013

Find the Laplace transform of:f(t) = cos^(2)(2t)
1. 3 answers
2. asked by Elyse
3. 9,137 views
A cable is lifting a construction worker and a crate, as the drawing shows. The weights of the worker and crate are 833 N and
1. 1 answer
2. asked by tcc
3. 6,805 views
Two bars of identical mass are at 30 °C. One is made from glass and the other from another substance. The specific heat
1. 1 answer
2. asked by ODU
3. 6,197 views
Concrete sidewalks are always laid in sections, with gaps between each section. For example, the drawing shows three identical
1. 1 answer
2. asked by justin
3. 5,613 views
Compare and contrast folded mountains to volcanic mountains. How they are alike? How they are different?i got some of it..
1. 10 answers
2. asked by leena
3. 4,889 views
A steel section of the Alaskan pipeline had a length of 65 m and a temperature of 22° C when it was installed. What is its
1. 1 answer
2. asked by Daniel
3. 4,480 views
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 112-kg laser sensor which measures the
1. 1 answer
2. asked by ODU
3. 4,010 views
On Saturday Derek picked pears from 32 trees. His picked average of 17 pears per tree. Sunday he picked more pears averaging 12
1. 1 answer
2. asked by Melody
3. 3,720 views
a 5 g mixture of natural gas containing ch4 and c2h4 was burnt in excess of oxygen yielding 14.5 g of co2 and h2o.What is the
1. 3 answers
2. asked by sim
3. 3,621 views
A certain heat engine does 8.0 kJ of work and dissipates 8.00 kJ of waste heat in a cyclical process.(a) What was the heat input
1. 1 answer
2. asked by Eric
3. 3,574 views
An aluminum can is filled to the brim with a liquid. The can and the liquid are heated so their temperatures change by the same
1. 1 answer
2. asked by justin
3. 3,437 views
A baseball (m = 148 g) approaches a bat horizontally at a speed of 43.8 m/s (98.0 mi/h) and is hit straight back at a speed of
1. 1 answer
2. asked by tcc
3. 3,388 views
A round bar 40mm diameter is subjected to an axial pull of 80kN andreduction in diameter was found to be 0.00775mm. Find
1. 3 answers
2. asked by aswath
3. 3,234 views
A mass m = 0.068 kg of benzene vapor (Lv = 3.94x105 J/kg) at its boiling point of 80.1°C is to be condensed by mixing with
1. 1 answer
2. asked by ODU
3. 3,146 views
Separate this redox reaction into its component half-reactions.O2 + 2Mg----> 2MgO
1. 1 answer
2. asked by Brianna
3. 2,908 views
When a trial has not jury but rather only a judge hearing and deciding the case, this is called a _______________________. (Like
1. 13 answers
2. asked by Noami
3. 2,820 views
Solve the following problem and reduce to lowest terms (mixed number or improper fraction).2/3 + 1/6 +11/12
1. 4 answers
2. asked by April
3. 2,571 views
The engine of a large ship does 2.05 multiplied by 108 J of work with an efficiency of 4.00%.(a) How much waste heat (J) is
1. 2 answers
2. asked by Eric
3. 2,491 views
A hand-driven tire pump has a 2.50 cm diameter piston and a maximum stroke of 31.0 cm.(a) How much work (J) do you do in one
1. 1 answer
2. asked by Eric
3. 2,182 views
Two balls are approaching each other head-on. Their velocities are +11.9 and -10.5 m/s. Determine the velocity of the center of
1. 1 answer
2. asked by tcc
3. 2,174 views
A granite column in a building is 8.50 m high and has a mass of 2.16 multiplied by 104 kg.(a) How much heat (J) is needed to
1. 1 answer
2. asked by Alice
3. 2,018 views
Students enrolled in an introductory statistics course at a university were asked to take a survey that indicated whether the
1. 1 answer
2. asked by James
3. 1,723 views
A jet plane is flying with a constant speed along a straight line, at an angle of 30.0° above the horizontal, as shown in part
1. 1 answer
2. asked by ODU
3. 1,680 views
A steel block 200mm*20mm*20mm is subjected to a tensile force of 40kn in the direction of its length.Determine the change in
1. 2 answers
2. asked by sushil
3. 1,601 views
For the following electrochemical cell, Co(s)/Co2(aq,.0155M)// Ag+(aq,2.50M)/Ag(s)1.Write the net cell equation. 2.Calculate the
1. 1 answer
2. asked by Brianna
3. 1,394 views
Write the formula of CH3NH+3 conjugate base. and Indicate whether the conjugate base of CH3NH+3 is a strong base, a weak base,
1. 2 answers
2. asked by Shaun
3. 1,374 views
A current of 3.94 A is pass through a Pb(NO3)2 solution. How long (in hours) would this current have to be applied to plate out
1. 1 answer
2. asked by Brianna
3. 1,370 views
26. Emily and her mother have entered a new place. There are toys on the floor to play with, but no one else is in the room.
1. 3 answers
2. asked by Katherine
3. 1,337 views
A 9.00 V storage battery is connected to three resistors, 4.25 Ω, 11.0 Ω, and 21.0 Ω, respec-tively. The resistors are joined
1. 2 answers
2. asked by Lynn
3. 1,297 views
One number is 5 times another. Write an expression for the sum of their reciprocals. Then simplify the expression. (Use x for
1. 1 answer
2. asked by jackie
3. 1,246 views
The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless,
1. 0 answers
2. asked by ODU
3. 1,241 views
I want to become a social worker when I grow up. I love to help people with their problems.When I'm an adult I want to live in a
1. 2 answers
2. asked by Laruen
3. 1,236 views
A 9.00 V storage battery is connected to three resistors, 4.25 Ω, 11.0 Ω, and 21.0 Ω, respec-tively. The resistors are
1. 1 answer
2. asked by Lynn
3. 1,202 views
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The
1. 1 answer
2. asked by Brett
3. 1,168 views
solve my system of equation with full steps3x+4y=29 2x–5y=-19
1. 2 answers
2. asked by kate
3. 1,127 views
x-y=134-y=13 -y=9 y= Type an integer or a simplified fraction.
1. 1 answer
2. asked by Denise
3. 1,110 views
If ⅜ of a 60-pound bag of ready-mix concrete is Portland cement, how many pounds of other materials are in the bag?
1. 1 answer
2. asked by April
3. 1,092 views
critical thinking involves being able to
1. 2 answers
2. asked by meka
3. 1,090 views
The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head,
1. 1 answer
2. asked by ODU
3. 1,069 views
1.Think of a marriage ceremony you have attended or know about. Briefly describe ONE ritual that was part of the ceremony.2.Expl
1. 3 answers
2. asked by owami tubatse
3. 1,063 views
You posted this:Posted by Anonymous on Thursday, July 25, 2013 at 10:16am. Provide a brief overview of government policy toward
1. 0 answers
2. asked by Writeacher
3. 1,025 views
A round bar 40 mm dia meter is subjected to an axial pull of 80 kn and reduction in diameter was found to be 0.00775mm.find
1. 2 answers
2. asked by sushil
3. 970 views
A 500 kg dragster reaches a speed of 100 m/s on level ground, starting from rest. Its efficiency is only 8.00% in producing
1. 2 answers
2. asked by Amy
3. 944 views
Caridad borrowed $15,500 at 11% ordinary interest for 120 days. After 70 days, she made a partial payment of $3,000. What is the
1. 1 answer
2. asked by Anonymous
3. 885 views
Democracy is best expressed through...A) voting B) compromise C) elections D) all of the above
1. 1 answer
2. asked by Noami
3. 878 views
Let V be the volume of the region bounded by x^2+y^2≥z^2, z≥0 and x^2+y^2+z^2≤1. What is the value of ⌊100V⌋?
1. 4 answers
2. asked by andy
3. 878 views
When you take a bath, how many kilograms of hot water (40.8 °C) must you mix with cold water (11.3 °C) so that the temperature
1. 1 answer
2. asked by justin
3. 874 views
Solve the following problem and convert to lowest terms (mixed number).6 ⅚ – 17/18 (six and five sixths minus seventeen
1. 2 answers
2. asked by April
3. 868 views
8 year old male hemophiliac is admitted with acute blood loss anemia following uncontrolled bleeding. he was given 4 units of
1. 1 answer
2. asked by Anonymous
3. 862 views
The scores for standardized test are normally distributed with a mean of 300 and standard deviation of 39. If the test is given
1. 1 answer
2. asked by melissa
3. 828 views
A steel block 200 mm X 20 mm x 20 mm is subjected to a tensile force of 40 kN in the direction of its length. Determine the
1. 1 answer
2. asked by Anonymous
3. 783 views
prove that every every line segment has one and only one end point . use euclids geometry to prove
1. 3 answers
2. asked by dipti
3. 765 views
Texas Wildcatters Inc. (TWI) is in the business of finding and developing oil properties, and then selling the successful ones
1. 1 answer
2. asked by Mike
3. 750 views
Read the following paragraphs and write a topic sentence that expresses the main idea of each.For example, if it is a sport,
1. 8 answers
2. asked by Mat
3. 735 views
Evaluate ∬R 1/sqrt(x^2+y^2) dx dy, where R is the region bounded by y≥0 and x^2−x+y^2≤0.
1. 2 answers
2. asked by andy
3. 728 views
According to the job characteristics model, skill variety, task identity, and task significance combine to affect: knowledge of
1. 1 answer
2. asked by Anonymous
3. 716 views
Q2_1: QUIZ 2, PROBLEM #1The shaft ABC is a solid circular cylinder of constant outer diameter 2R and length 3L. The shaft is
1. 12 answers
2. asked by MAN
3. 663 views
Q2_1: QUIZ 2, PROBLEM #1The shaft ABC is a solid circular cylinder of constant outer diameter 2R and length 3L. The shaft is
1. 7 answers
2. asked by MAN
3. 657 views
Write two compositions. To help you get started, you can choose to write about any two of the following four topics:-a job
1. 1 answer
2. asked by Carlos
3. 656 views
The shaft ABC is a solid circular cylinder of constant outer diameter 2R and length 3L. The shaft is fixed between walls at A
1. 8 answers
2. asked by Uncle Sam
3. 629 views
a carpet is on the floor 8m by 5m . area of border on the carpet is 12m squared.find width and length of carpet. can we use
1. 1 answer
2. asked by deep
3. 624 views
Use the elimination method to solve the system of equations5u+2v=15 3u+v=-7
1. 1 answer
2. asked by Denise
3. 612 views
A car horn is pitched at 520 Hz. The car travels along a straight road at a speed of 25 m/s. towards an observer walking at 2
1. 5 answers
2. asked by Sher
3. 612 views
Could someone rephrase this entire sentence for me.Mexican-Americans are Americans of Mexican descent. After the annexation of
1. 1 answer
2. asked by Anonymous
3. 600 views
Given Q(4;1),T(p;3) and length QT=root of 8 units ,determine the value of p
1. 3 answers
2. asked by perfect
3. 598 views
Four carpenters each built an average of 42 chairs last week. If no chairs were left uncompleted, and if Peter, who built 50
1. 1 answer
2. asked by Anonymous
3. 596 views
what codes are assigned for a patient admitted for an azathiopring i drug induced aplastic anemia? the patient has peripheral
1. 0 answers
2. asked by Anonymous
3. 592 views
Sue is in an airplane which travels at a constant 300 kilometers per hour. The angle of climb of the airplane is 30∘. How long
1. 1 answer
2. asked by ayan
3. 591 views
An automobile has a mass of 1520 kg and a velocity of 19.7 m/s. It makes a rear-end collision with a stationary car whose mass
1. 0 answers
2. asked by tcc
3. 585 views
25. Teenage mothers who are accustomed to existing on hamburgers, French fries, and Cokes need to consider the nutritional needs
1. 1 answer
2. asked by Katherine
3. 579 views
a steel bar 10m long and 10cm*10cm in section .it is subjected to an axial pull of 250KN .determine the intensities of normal
1. 3 answers
2. asked by sushil
3. 575 views
Ventura Coal mined 6 ⅔ tons on Monday, 7 ¾ tons on Tuesday, and 4 ½ tons on Wednesday. If the goal is to mine 25 tons this
1. 1 answer
2. asked by April
3. 572 views
(a) How much waste heat is produced by an electrical power station that uses 1.05 multiplied by 1014 J of heat input with an
1. 1 answer
2. asked by Eric
3. 568 views
what are the lifestyle factors that affect muscle growth, development, size and or healing of tissue
1. 1 answer
2. asked by adrienne
3. 560 views
From a business perspective, which of the following attributes is considered vital to a medical facility’s success?A.
1. 1 answer
2. asked by nana
3. 560 views
The inside diameter of the automobile wheel bearing sets at a factory is expected to be normally distributed with a mean of
1. 2 answers
2. asked by Lance
3. 532 views
a non-directional hypothesis and have set your alpha at .01. You have 30 pairs of scores. What is the criterion value of r you
1. 0 answers
2. asked by Qtexas
3. 529 views
Properties of life and recognizing living and nonliving thingsWhat does it take to be a living organism
1. 1 answer
2. asked by Michael R
3. 529 views
Could you please check the following for any possible errors? semi-colons, commas, two separate sentences, etc?A new and
1. 1 answer
2. asked by MaryBeth
3. 528 views
Ryan Miller wanted to make some money at a flea market. He purchased 55 small orchids from a nursery for a total of $233.75,
1. 1 answer
2. asked by April
3. 511 views
Nelda is fearful of public places and has managed to stay "at home" for the last three years. She and her therapist have
1. 0 answers
2. asked by Katherine
3. 505 views
According to the Declaration of Independence, the power of the government is based on
1. 1 answer
2. asked by Anonymous
3. 504 views
each "word" in a special code is a three digit number. if no word in the code can begin with a 1 or 0, what is the greatest
1. 1 answer
2. asked by Anon
3. 495 views
Could someone rephrase this entire sentence for me.Mexican-Americans are Americans of Mexican descent. After the annexation of
1. 1 answer
2. asked by Anonymous
3. 492 views
(a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 8.02 m/s when going
1. 1 answer
2. asked by justin
3. 492 views
Need Help.Please and Thanks.Read each of the following topic sentences, create your own topic sentence that expresses something
1. 6 answers
2. asked by Carlos
3. 490 views
what is the significance of Massachusetts v environmental protection agency(2007)?
1. 2 answers
2. asked by Noami
3. 485 views
Find the Laplace transform of:f(t) = cos^(2)(2t)
1. 1 answer
2. asked by Elyse
3. 480 views
How many moles of HNO3 are present in 34.0 mL of a 4.70 M solution of nitric acid?
1. 2 answers
2. asked by fatima
3. 472 views
19. If Paul and Rita are exposed to erotic photographs of the opposite sex, it can be expected that _______________. A. Rita
1. 1 answer
2. asked by Katherine
3. 467 views
Two resistors 17.0 Ω and 7.1 Ω are connectedin parallel across a 6.00 V battery. a) Find the potential diﬀerence across each
1. 1 answer
2. asked by Lynn
3. 462 views
what are the costs and consequences of providing the subsidies and welfare?
1. 1 answer
2. asked by zikhona
3. 460 views
Calvin and Ken bought a bag of 60 onions. They divide all of these onions between them, such that the number of onions that Ken
1. 1 answer
2. asked by ayan
3. 445 views
Post a 200- to 300-word response to the following: Many studies have been conducted on cerebral lateralization revealing
1. 1 answer
2. asked by Anonymous
3. 442 views
i', so confuse because the only answer that i have let is Dennis v. U.S. Would that be the answer?I'm the answer to Dennis v.
1. 3 answers
2. asked by Noami
3. 442 views
Everyone accused of a crime should always remember that they have right to not ___________________ themselves.
1. 3 answers
2. asked by Noami
3. 436 views
The entire class was in an uproar. The teaching assistant had proctored the exam while the professor was attending a conference
1. 2 answers
2. asked by Katherine
3. 435 views
A simple random sample of voters will be taken in a large state. Researchers will use the methods of our course to construct an
1. 0 answers
2. asked by Math-Stastistics
3. 429 views
15. Maria is a Hispanic female, Natasha is a Black female, and Joan is a White female. Each has a high school level education
1. 1 answer
2. asked by Katherine
3. 426 views
<1 and <2 are same side interior angles formed by two parallel lines a transversal. If m<1=115, what is m<2?
1. 2 answers
2. asked by Chelsey
3. 419 views

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