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2011
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Questions Asked on August 18, 2011

A small weather rocket weighs 14.7 N. The rocket is carried up by a balloon. The rocket isreleased from the balloon and fired,
1. 1 answer
2. asked by Anonymous
3. 5,223 views
A certain sports car accelerates from 0 to 60 mph in 9.0 s (average acceleration = 3.0m/s2). The mass of the car is 1354 kg. The
1. 4 answers
2. asked by Anonymous
3. 4,648 views
A rubber ball weighs 49 N. What is the acceleration of the ball if an upward force of 69 N isapplied?
1. 3 answers
2. asked by Anonymous
3. 3,887 views
A person on a trampoline bounces straight upward with an initial speed of 4.7m/s . What is the magnitude of the person's speed
1. 1 answer
2. asked by Vova
3. 3,375 views
I have to use the terms hypothesis, controlled experiment, and variable in the same sentence.
1. 8 answers
2. asked by Hayley
3. 2,665 views
A bus accelerates at 1.4 m/s2 from rest for 10 s. It then travels at constant speed for 26 s, after which it slows to a stop
1. 1 answer
2. asked by Laura
3. 2,492 views
Which best describes the physical change of an aluminum soda can after its crushed?A change in the mass of can B change in
1. 2 answers
2. asked by Chriese
3. 2,431 views
Three charges q1, q2 and q3 lie along the x-axis. Charge q1=2.5 micro coulomb is at x= 1.5 m, while charge q2= 6.3 micro coulomb
1. 4 answers
2. asked by Hilary
3. 2,217 views
what is correct barb-and i or barb and me
1. 3 answers
2. asked by janice
3. 2,214 views
Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 50 m apart. The train on the
1. 1 answer
2. asked by Laura
3. 1,995 views
The coefficient of sliding friction between rubber tires and wet pavement is 0.50. Thebrakes are applied to a 750 kg car
1. 2 answers
2. asked by Anonymous
3. 1,988 views
The space shuttle has a mass of 2.0 × 106 kg. At lift-off the engines generate an upwardforce of 30 × 106 N. a. What is the
1. 2 answers
2. asked by Anonymous
3. 1,896 views
1 g alloy of Cu and Zn reacted with excess of H2SO4 gives 60 ml of H2 at STP. What is the % of Zn in the alloy?
1. 1 answer
2. asked by abhijit
3. 1,845 views
A whale swims due east for a distance of 7.5 km, turns around and goes due west for 2.5 km, and finally turns around again and
1. 1 answer
2. asked by Pay
3. 1,793 views
Given: 2N2(g) +O(2) --> 2N2O(g) Kc =1.2x10^(-35)N2O4(g) --> 2NO2(g) Kc = 4.6x10^(-3) 1/2N2(g) + O2(g) --> NO2(g) Kc= 4.1x10^(-9)
1. 1 answer
2. asked by Matt
3. 1,672 views
2. The Sugar Sweet Company is going to transport its sugar to market. It will cost $4200 to rent trucks, and it will cost an
1. 1 answer
2. asked by Daniel
3. 1,487 views
Two small conducting spheres are identical except that sphere x has a charge of -10 micro coulombs and sphere y has a charge of
1. 1 answer
2. asked by Troy
3. 1,314 views
Person A opens an IRA at age 25, contributes $2000 per year for 10 years, but makes no additional contributionsthereafter.
1. 2 answers
2. asked by fazilah
3. 1,293 views
A 49 foot pipe is cut into two pieces. If one piece has a length of y feet, what is the length, in feet, of the other piece?
1. 2 answers
2. asked by danielle
3. 1,230 views
the fact that many americans want the convenience of driving gas-guzzling trucks and sport utility vehicles that contribute
1. 9 answers
2. asked by Anonymous
3. 1,200 views
Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 50 m apart. The train on the
1. 1 answer
2. asked by laura
3. 1,161 views
Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 50 m apart. The train on the
1. 1 answer
2. asked by laura
3. 1,155 views
a body travels half of its total path in the last second of its free fall from rest.what is the duration of fall .you have
1. 0 answers
2. asked by pavatharani
3. 1,144 views
two circles c1 and c2 meet at the points A and B. CD is a common tangent to these circles where C and D lie on the circumference
1. 0 answers
2. asked by JJ
3. 1,141 views
Why is the Earth's atmosphere rich in oxygen and poor in carbon dioxide?
1. 1 answer
2. asked by NAncy
3. 1,069 views
If the tires of the car in previous problem didn’t skid, the coefficient of friction would havebeen 0.70. Would the force of
1. 0 answers
2. asked by Anonymous
3. 1,055 views
1. What are the social responsibilities of news media?
1. 1 answer
2. asked by Anonymous
3. 1,024 views
All of my life I have gotten a C average in math. I have been trying to set a goal to make above a C in math. I don't know why I
1. 6 answers
2. asked by Aquion
3. 1,006 views
a.A person with skin area of 3 m2 is in a room of still air at 22 C.i.Calculate the rate of conduction of heat loss in watts if
1. 3 answers
2. asked by KAIT
3. 997 views
A motorcycle officer hidden at an intersection observes a car driven by an oblivious driver who ignores a stop sign and
1. 1 answer
2. asked by laura
3. 986 views
The base of a parallelogram is 6 times itsheight if the base is cut in half,the new area is what percentage of the original
1. 1 answer
2. asked by kyra
3. 969 views
A passenger train is traveling at 30 m/s when the engineer sees a freight train 357 m ahead of his train traveling in the same
1. 1 answer
2. asked by laura
3. 886 views
I need this answer in Scientific Notation please help7.74x10^-4
1. 1 answer
2. asked by Cj
3. 879 views
Can someone please go over the steps to solve this problem? I know I need to find where the tugboat intersects the radar but I'm
1. 2 answers
2. asked by Lily
3. 866 views
since segment KL and segment LM are congruent, set up an equation to solve for x. What is the value of x?K (5x-4) L (3x+12) M
1. 1 answer
2. asked by morgan
3. 855 views
i grew in a cave but i am not alive.What am i
1. 2 answers
2. asked by Gabby cornieliues
3. 850 views
The driver notices that the rain leaves no trace on the back windshield of his car slanted at a 60°angle to the horizontal when
1. 1 answer
2. asked by Anonymous
3. 847 views
I'm studying infinite series and am really struggling with memorizing all the tests for convergence in my book, there's like 10
1. 1 answer
2. asked by Lee
3. 824 views
There are 20 red and blue pens in abox. There are 3times as many blue pens as red pens? How many red pens are there? How many
1. 5 answers
2. asked by MIKI
3. 824 views
There are 36 buttons in a jar. There are 3 times as many red buttons as white. 1. how many white buttons are there? 2. how many
1. 8 answers
2. asked by LIDIA
3. 823 views
eliminate the parameter and write a rectangular equation forx=(t^2)+3 y=2t
1. 1 answer
2. asked by girl
3. 797 views
please help me on my exam. to make good answer enough.please correct my english and answer if it is relevant to the question.
1. 0 answers
2. asked by jessie
3. 781 views
i can not figure out how to write the complex number in rectangular form the question is 4(cos 5Pie/6 + i sin 5 pie/6)
1. 2 answers
2. asked by fred
3. 743 views
Can you check these questions for me?1. Add: (3x^4-x+2)+(9x^5-x^2+x) 9x^5+3x^4-x^2+2 2. Add: (4x^3-2x^2+x+4)+(9-x^5-x^2+4x)
1. 1 answer
2. asked by Chandler
3. 732 views
Which is steeper, y = 4x+ 5 or y = - 5x - 2 ?
1. 1 answer
2. asked by mely
3. 720 views
a cube is expanding and its volume is increasing at the rate 96 cubic centimetres/second when the side is 4 cm.Find the rate at
1. 2 answers
2. asked by -Minx-
3. 708 views
HYPOTHETICAL EXPERIMENT:You, as an eager young behavioral scientist, have noted that many people don't wash their hands when
1. 7 answers
2. asked by Jkim
3. 689 views
Two objects are thrown simultaneously from the same height at 45° angles to the vertical with aspeed of 20 m per second; one
1. 1 answer
2. asked by Anonymous
3. 674 views
A spherical balloon is being inflated and its radius is changing at the rate of 2m/minute. When the radius is 4m, find the rate
1. 1 answer
2. asked by -Minx-
3. 669 views
Budgeting Concepts Paper (10 points). Prepare a 1,050-1,750-word paper in which you compare and contrast two types of operating
1. 1 answer
2. asked by Anonymous
3. 658 views
1,8,27 what are the next 3 numbers? What is the pattern?
1. 1 answer
2. asked by steve
3. 647 views
The temperature at 3:00 am was -17 f by noon the temperture was -17.8 f at what time was it the coldest?
1. 2 answers
2. asked by brittany
3. 644 views
is anyone can help to correct my english..thank you....please correct if it relevant to the question of my exination..thanks and
1. 1 answer
2. asked by jessie
3. 628 views
A person on a trampoline bounces straight upward with an initial speed of 4.7m/s . What is the magnitude of the person's speed
1. 1 answer
2. asked by Vova
3. 624 views
Container A is sealed (not open to the atmosphere) filled with water with an unlimited width and depth. Container A consists of
1. 0 answers
2. asked by Anonymous
3. 612 views
I'm doing an independent study plan for music and I really need some suggestions for choosing the right subject that will be fun
1. 10 answers
2. asked by Beethoven
3. 611 views
a.A person with skin area of 3 m2 is in a room of still air at 22 C.i.Calculate the rate of conduction of heat loss in watts if
1. 1 answer
2. asked by KAIT
3. 605 views
A bucket contains 7 red, 3 blue, 2 black and 1 yellow ball of the same size.A random selection of 5 balls is taken from the
1. 1 answer
2. asked by Mahalakshmi
3. 599 views
A Carnot type engine has a reservoir of 1000 K with an efficiency of 50%. Find the temperature of the sink.
1. 1 answer
2. asked by KAIT
3. 597 views
Prepare a comprehensive directory (i.e. scrap book made of newspaper) of relatedresources with current news, information on
1. 2 answers
2. asked by stefeena
3. 595 views
A 10G bullet is short from a 5kg gun with a velocity of 400m/s.What is the speed of recoil of the gun?
1. 3 answers
2. asked by sachin
3. 592 views
A person on a trampoline bounces straight upward with an initial speed of 4.7m/s . What is the magnitude of the person's speed
1. 1 answer
2. asked by Vova
3. 589 views
The base of a parallelogram is 6 times itsheight if the base is cut in half,the new area is what percentage of the original
1. 1 answer
2. asked by kyra
3. 586 views
The last car unfastens from a moving train. The train continues to move at the same constantspeed. What is the ratio of the
1. 0 answers
2. asked by Anonymous
3. 585 views
simplify 64/76
1. 1 answer
2. asked by Madison
3. 584 views
A plane is flying in a straight line at an unchanging height and unchanging speed. The pilot mustdrop an object onto a target in
1. 0 answers
2. asked by Anonymous
3. 583 views
Read and follow the directions I have already posted for you. Those are your first steps.http://www.jiskha.com/display.cgi?id=13
1. 0 answers
2. asked by Writeacher
3. 582 views
write an expression to represent each total and then simplify it cost of 2 pens and 3 notebooks the note books costs 179 each nd
1. 2 answers
2. asked by adrian
3. 571 views
I need help with BIS 155 Data Analysis with spreadsheets final exam. Total of 5 essay questions. Must write a total of 250 words
1. 1 answer
2. asked by Jacqueline
3. 559 views
One of the most hotly debated topics of national concern is gun control. In a complete essay, compose a proposal to either ban
1. 1 answer
2. asked by Tatianna
3. 558 views
Budgeting Concepts Paper (10 points). Prepare a 1,050-1,750-word paper in which you compare and contrast two types of operating
1. 1 answer
2. asked by Anonymous
3. 551 views
a manufacture of drinks, wants to add packaged fruit juices to its existing product line. the manufacturer needs to make some
1. 1 answer
2. asked by Anonymous
3. 549 views
a. An engine has a reservoir of 8000 J and has a sink of 1000 J.i. Find the work generated by the engine.
1. 2 answers
2. asked by KAIT
3. 548 views
A car travels directly northwards at 10m/s.it then accelarates at 2m/s^2 over a distance of 200m.calculate the car's velocity
1. 2 answers
2. asked by Welheminah
3. 540 views
What word can I use to replace "fall victim to." Give me some examples please. I'm stumped.
1. 5 answers
2. asked by Sally
3. 536 views
This is from the book Nothing but the truth by Avi. The question is: After reading the memo in chapter 6, what do you think is
1. 1 answer
2. asked by BritBrit
3. 534 views
I'm not clear on the purpose of a decision grid. I know it's most likely common sense but is it just used for considering your
1. 3 answers
2. asked by LHS
3. 525 views
The rate of transmission r in a telephone cable is obseed to be approximately r(x)=x^2*ln(1/x, where x is the ratio of the
1. 3 answers
2. asked by Callie
3. 524 views
1. Make a scatterplot of the data in the viewing rectanlge[19030,2010,10]by[0,6,1].2. Find the quadratic function given by
1. 1 answer
2. asked by Porsha
3. 523 views
select the correct sequence of nerves and nervous structure that would allow you to feel someone tickling the back of your leg?
1. 1 answer
2. asked by Anonymous
3. 523 views
what does it mean to say alpha is set at 0.5
1. 1 answer
2. asked by nicole
3. 510 views
Water is shooting at the same speed out of the three tubes placed on the ground at different anglesof 60°, 45°, and 30° to
1. 0 answers
2. asked by Anonymous
3. 495 views
How do you draw an atom?
1. 3 answers
2. asked by Bryce
3. 493 views
Evaluate write in simplest formY - for y = -6 and z = -20 z
1. 1 answer
2. asked by brittany
3. 488 views
how do you find out what century a certain year is in?
1. 2 answers
2. asked by aleesia
3. 486 views
(x+y)^3 expand
1. 3 answers
2. asked by star
3. 485 views
Considering that a researcher can test at the <p = .05 (95%), p = .01 (99%), or p = .001 (99.9%) level for statistical
1. 1 answer
2. asked by Anonymous
3. 481 views
Is the definition of thinking at the margin basically saying if you don't have any specific numbers or the use of the one
1. 0 answers
2. asked by CPut
3. 481 views
which of the following are components of a proposed marketing plan?a.target market, costs, expected sales results b. website
1. 1 answer
2. asked by Anonymous
3. 479 views
HELP! can you check and help me with some of these?1. y + 8 = -15 My answer: -7 2.3x = 27 My answer: 9 3. 5 + a = -19 My
1. 7 answers
2. asked by Bryce
3. 478 views
Why is unnecessary to measure precisely 25 ml of unknown acid into the beaker?
1. 0 answers
2. asked by Veronica
3. 467 views
A wagon with a width of 2.4 m, moving at a speed of 15 m per second, was shot through by a bulletperpendicular to the movement
1. 3 answers
2. asked by Mia
3. 466 views
In 10-15 lines critically discuss 5 ways in which HIV AND AIDS problem impacts on the community.provide relevent sources to
1. 2 answers
2. asked by Florance
3. 466 views
find y'(x) if x^y=y^x
1. 2 answers
2. asked by Hailey
3. 463 views
How do educational philosophies and theories affect the statement of purposes and goals, curriculum, instruction, and values?
1. 1 answer
2. asked by Anonymous
3. 461 views
a 4 digit number my 2 nd digitis twice my 3 digit the sum of all my digits is 3 times greater than my last digit the productof
1. 1 answer
2. asked by richard
3. 459 views
measurements of height and weight provide useful information about:a.intellegience b.overall health status c.adult shape
1. 1 answer
2. asked by sue
3. 453 views
if i bought a car for $18,500 and price was 35% off what was original price and how do I do the math
1. 1 answer
2. asked by ray
3. 451 views
What causes the calcium and ATP concentrations to decrease?
1. 0 answers
2. asked by meme
3. 441 views
Show that the tangent line to the curve y=x^3 at the point x=a also hits the curve at the point x=-2a.Any help?! PLEASE!
1. 3 answers
2. asked by Allison
3. 430 views

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