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Brooke

Questions (377)

Abby is swinging a ball on a string in a circle with a constant tension. Which of the following quantities is constant?a.
1. 2 answers
2. 542 views
A point on a wheel rotating at 5revs/s is located 0.20m away from the axis. What is the centripetal acceleration?a. 198m/s^2 b.
1. 1 answer
2. 1,185 views
A 500 kg car experiences a frictional force of 3208 N while turning, if the car is traveling around a turn of radius 16 m what
1. 1 answer
2. 563 views
A car driving at 99m/s can stop in 83 m. What is the smallest radius the car can safely travel at the original velocity?
1. 1 answer
2. 488 views
A car driving at 93m/s can stop in 75 m. What is the smallest radius the car can safely travel at the original velocity?
1. 1 answer
2. 410 views
A penny is placed on a disk that is rotating at 2 revolutions per second. The coefficient of friction between the penny and the
1. 1 answer
2. 920 views
A 200kg car is traveling at 50m/s on a level, circular track with radius 100m. What is the traction force required to keep the
1. 1 answer
2. 814 views
How many moles of carbon are needed to react with 5.6 moles of hematite (Fe2O3)?
1. 1 answer
2. 936 views
If 3.79x1024 formula units (molecules) of hematite react with excess carbon, what mass of iron will be produced?
1. 1 answer
2. 498 views
A 0.0420-kg hollow racquetball with an initial speed of 18.3 m/s collides with a backboard. It rebounds with a speed of 7.4 m/s.
1. 2 answers
2. 1,179 views
Two objects, one of mass 3kg moving at 2m/s, the other of mass 5kg and speed of 2m/s move towards each other and collide in a
1. 2 answers
2. 4,421 views
A projectile is fired at 12.5 m/s at an angle of 53.1 with the horizontal from a point 75m above the ground.A) How long does it
1. 2 answers
2. 758 views
Samantha made 9800 mL of fruit punch for a party, and she served the fruit punch divided equally in 5 pitchers. Her guests drank
1. 1 answer
2. 702 views
Propane (C3H8) which is used as fuel in BBQ tanks often contains some butane(C4H10). A sample of a fuel mixture known to contain
1. 1 answer
2. 1,190 views
A co-op student designed an experiment to collect hydrogen gas by reacting iron with a hydrochloric acid (HCl) solution. The
1. 1 answer
2. 677 views
1.) Describe how the graphs of f(x) = |2x| and g(x) = -|2x| are related.a.) All of these. b.) The graph of g(x) is a reflection
1. 1 answer
2. 2,465 views
Oops I left a part of the question out:2. Mercury poisoning is a debilitating disease that is often fatal. In the human body,
1. 1 answer
2. 658 views
Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes,
1. 1 answer
2. 1,172 views
Determine the final velocity of a medicine ball that is dropped from a height of 7.00 meters. (assume air resistance is
1. 1 answer
2. 548 views
do the equations y=2x+3 and x=1-2y have common solution, no common solution or infinitely many common solutions?
1. 1 answer
2. 958 views
In the multiplication problem at the right different letters stand for different digits, and ABC and DBC each represent a three
1. 4 answers
2. 442 views
Hi! Someone was helping me earlier with these but their explanation was hard to understand. Can someone ELSE help me? Thanka! :)
1. 1 answer
2. 593 views
Hi! I have 4 math questions! (:1.) There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What
1. 2 answers
2. 630 views
A team has won 50% of the 60 games it played, find the number of games the team must win in succession to increase its winning
1. 1 answer
2. 455 views
Can you please help me?I think the first question I posted the answer is 3G+30
1. 9 answers
2. 707 views
Write a situation that can be represented by 6n+4.
1. 1 answer
2. 366 views
Ben conserves water in his home.He conserves 3 gallons each time he turns off the faucet when brushing his teeth.He conserves 30
1. 1 answer
2. 492 views
Greta says that the expression (2xa)+5 is the same as 2x(a+5). Is she correct?Why or why not?
1. 9 answers
2. 439 views
The profit (in millions of dollars) from the sale of x million units of Blue Glue is given by p= .7x-25.5. The cost is given by
1. 0 answers
2. 654 views
The profit (in millions of dollars) from the sale of x million units of Blue Glue is given by p= .7x-25.5. The cost is given by
1. 0 answers
2. 757 views
On the second problemr+11=19 r+11-_=19-_ r=_ Would it be R+11=30=19-11 R=8
1. 4 answers
2. 299 views
I don't understand how w-8+8=26+8.wouldn't the first blank be 0?
1. 1 answer
2. 288 views
Was 34 right?
1. 1 answer
2. 253 views
I am really confused.i don't understand.please help me figure this outW-8=26 W-8+_=26+_ W=_
1. 3 answers
2. 347 views
R+11=19 r+11-_=19-_ r=_
1. 3 answers
2. 278 views
W-8=26 w-8+_=28+_. W=
1. 1 answer
2. 247 views
Which of the following nineteenth-century inventors is associated with Menlo park in New jersey A. Alexander Graham Bell B.
1. 1 answer
2. 499 views
Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in commercial bleach
1. 0 answers
2. 1,079 views
Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in commercial bleach
1. 1 answer
2. 2,717 views
How to calculate the molarity of commercial bleach
1. 0 answers
2. 1,018 views
What is the Affordable Care Act?A. A program that allows people who are at lower risk for chronic diseases to gain free
1. 2 answers
2. 538 views
If eight 5p coins weigh 26g how much does three 5p coins weigh?
1. 1 answer
2. 360 views
Holly County needs a new county government building that would cost $24 million. The politicians feel that voters will not
1. 1 answer
2. 1,329 views
Using Werner Hesienbergs uncertainty principledelta x >h/ (4pie*m*delta v) when mass of electron is 9.11x10^-31kg what is the
1. 0 answers
2. 705 views
Find the equation of the tangent line to the graph of4y^2− xy − 3 = 0, at the point P=(1,1)
1. 0 answers
2. 817 views
Jill made some cookies. Jill gave 1/4 of her cookies to Bob. Then Jill gave 1/2 of the remaining cookies to Joe. At this point,
1. 2 answers
2. 704 views
(9-4n)(-4)
1. 1 answer
2. 200 views
On some planet other than Earth a ball is thrown upward at a velocity of 22.3 m/s. It returns back to the exact position that it
1. 0 answers
2. 363 views
If a ball has an initial downward speed of 24 m/s, how far does the ball drop during the 4 s to 5 s interval?
1. 1 answer
2. 330 views
7. A cat pushes a ball from a 7.00 m high window, giving it a horizontal velocity of 0.20 m/s. How far from the base of the
1. 2 answers
2. 778 views
A record of travel along a straight path is as follows:1. Start from rest with constant acceleration of 2.40 m/s2 for 14.0 s. 2.
1. 0 answers
2. 632 views
How much heat is needed to change 4.5g of water at 10degrees celcius into steam at 150 degrees celcius?
1. 0 answers
2. 978 views
can you explain gametes and zygote of the kangaroo paw?
1. 0 answers
2. 384 views
Ben purchased 5 shirts for $12.95 each. How much sales tax will he pay if the tax rate is 6%?
1. 7 answers
2. 541 views
Write all possible quilibrium equations for KHP dissovled in water and then write the quilibrium constanst expressions for the
1. 1 answer
2. 595 views
A current-carrying wire is placed in a uniform magnetic field, but there is no magnetic force on it. How is this possible?
1. 0 answers
2. 1,097 views
Got a question: On our class we have to write a research paper tracing the historical causation of a current event and the
1. 2 answers
2. 592 views
Calculate the pH of an aqueous solution containing 3.8 10-2 M HCl, 1.0 10-2 M H2SO4, and 3.3 10-2 M HCN.
1. 1 answer
2. 416 views
A 0.25 g sample of lime (CaO) is dissolved in enough water to make 1487 mL of solution. Calculate the pH of the solution
1. 1 answer
2. 639 views
What does the term coving mean?
1. 1 answer
2. 322 views
(-3x^-2)^-3How would I solve this problem?
1. 1 answer
2. 362 views
In an experiment designed to measure the distance a golf ball is hit by clubs made of different material, a standardized
1. 3 answers
2. 2,878 views
The "Kingdom" is the most all inclusive taxonomic category True or False.I think it is true but not sure
1. 1 answer
2. 799 views
Water boils at _______ 01 Kelvin.I put 373.15 but I don't know if it is right. Could someone please help me?
1. 2 answers
2. 469 views
Which of the following statements concerning the Twenty-fifth Amendment is incorrect?a. It allows the vice president to serve as
1. 1 answer
2. 1,392 views
The greatest source of presidential power is:a. the power to remove members of Congress from office for violating their oath of
1. 1 answer
2. 641 views
A 15 kg model airplane flies horizontally at point A that is 20 m about point B. It has a speed of 19.993 m/s at point A. It
1. 0 answers
2. 734 views
In an electronics factory, small cabinets slide down a 30 degree incline a distance of 16 m along the incline to the next
1. 0 answers
2. 1,196 views
A 1.5 N force acts on a .20 kg cart so as to accelerate it along a frictionless track. If it is accelerated from rest, how fast
1. 1 answer
2. 630 views
A .5 kg block is sliding along a tabletop with an initial velocity of .20 m/s. It slides to rest in a distance of .7m. Find the
1. 2 answers
2. 1,233 views
The question is "Evaluate the effectiveness of this action"The action was the government appologizing for Chinese Head Tax. Not
1. 4 answers
2. 1,013 views
Here is the question ..How did the Enlightenment contribute to the Industrial Revolution? A) People used technology to create
1. 3 answers
2. 1,182 views
Im working on a review booklet for Social Studies and theres a couple questions Im having problems with, my test is tomorrow so
1. 3 answers
2. 602 views
Suppose the ball is kicked horizontally with an initial speed of 9.37m/s. If the ball travels a horizontal distance of distnace
1. 1 answer
2. 604 views
Assume the driver has a mass of 70.6 kg .What horizontal force does the seat exert on the driver? Answer in units of N
1. 0 answers
2. 1,074 views
A 1000 kg car rolling on a horizontal surface has speed v = 55 km/h when it strikes a horizontal coiled spring and is brought to
1. 0 answers
2. 635 views
Jane, looking for Tarzan, is running at top speed (6.2 m/s) and grabs a vine hanging vertically from a tall tree in the jungle.
1. 2 answers
2. 2,309 views
Under what circumstances would you expect the shared electron pair to be equal distances on the average from each of the atoms
1. 0 answers
2. 536 views
What kind(s) of particles make up (a) gaseous compound (b) liquid compound (c) solid compound?
1. 1 answer
2. 1,225 views
What is an example of radioactive decay?
1. 1 answer
2. 379 views
The most important source of political values in the United States is probably what?Mass Media Family Religion School Local
1. 4 answers
2. 756 views
The reason a statement specific to state powers was not part of the original U.S. Constitution was that:a. New York delegates
1. 1 answer
2. 568 views
Round each number to the underlined place value.1.) 15.6571 -->5 is underlined 2.) 0.8914 -->1 is underlined 3.) 7,022.56 -->3
1. 2 answers
2. 1,026 views
Round each number to the underlined place value.1. 15.6571 --> the underlined word is 5 2.
1. 1 answer
2. 560 views
Alpha particle tracks through gases and thin metal foils show few deflections. What does this tell us about the atom??
1. 0 answers
2. 1,272 views
Make a tally chart for the number of students in the third-fourth-and fifth grade classes: 26,25,27,27,26,28,27I don't
1. 2 answers
2. 661 views
A plane is traveling at 300 m/s drops a bomb which hits it target 10 sec later. How high was the plane flying?
1. 3 answers
2. 778 views
“How much does one cost?” asked the man.“50 cents” replied the hardware clerk“and how much does 18 cost?” the
1. 1 answer
2. 554 views
I place a single negative charge in a region where there is a constant electric field pointed toward the floor. The charge feels
1. 1 answer
2. 432 views
THe first step to planning a child care center is to what?
1. 3 answers
2. 946 views
If it were determined that there were 6.391 x 10^22 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the
1. 2 answers
2. 554 views
Consider the reaction below :P4(s) + 5O2(g) ---> P4O10(s) How many grams of phosphorus react with 4.745 x 10^1 L of oxygen at
1. 1 answer
2. 1,019 views
How many moles of H atoms are there in 33.4282 grams of C2H4Cl2?
1. 2 answers
2. 364 views
A sample of 0.30 moles of a metal M reacts completely with excess fluorine to form 18.69 grams of MF2.How many moles of F are in
1. 2 answers
2. 2,091 views
Can you please check my answers. My teacher gave me a list of 200 questions to study, but I lost the answer sheet. Can you
1. 3 answers
2. 908 views
When 320.62 grams of Bi2O3 react with excess of C, how many moles of Bi form?I know I need to use stoichiometry, but I can't
1. 2 answers
2. 480 views
How many grams of C are required to make 431.47 grams of C3H8?
1. 1 answer
2. 438 views
When 320.62 grams of Bi2O3 react with excess of C, how many moles of Bi form?
1. 1 answer
2. 515 views
How many milliliters of 1.237 M HCl are required to react with 27.02 grams of MgCO3 ?
1. 1 answer
2. 565 views
What was the significance of Winston Churchhill's Speech in 1946 in Fulton, Missouri?* plz help i have to write 2 paragraphs and
1. 1 answer
2. 465 views

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