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Questions (103)

Which force produces the largest torque?-10.0 N perpendicular to the center of rotation at a radius of 1.5 m -10.0 N
1. 1 answer
2. 104 views
Recommend two practical startegies that could be implemented by the community to ensure that the anti substance abouse campaigns
1. 1 answer
2. 111 views
To get to his parents' house, Jon would have to drive due north 16 miles. To get to his grandparents' house, he would have to
1. 1 answer
2. 451 views
Auniform metre rule isbalanced at the 30cm mark when amass of 50g is hanging from its zero cm mark. Calculate weight of the
1. 1 answer
2. 276 views
Calculate the power generated by an electric iron that draws a current of 54A and operate from a 240V supply
1. 1 answer
2. 267 views
Which number remains unchanged during photosynthesis?A: the number of carbon dioxide molecules B: the number of water molecules
1. 14 answers
2. 11,553 views
What factors contribute to the increase in mass of an organism after consuming food?
1. 0 answers
2. 4,782 views
How long did they take to travel from points A to B
1. 0 answers
2. 229 views
Two students pulling a bag of volleyball equipment. The friction for between the bag and the floor is 15 N. What is the net
1. 1 answer
2. 3,327 views
You are moving fast on a skateboard when your wheel gets stuck in a crack on the sidewalk. Using the term inertia, explain what
1. 1 answer
2. 1,920 views
A balloon rises vertically at a rate of 8 feet/sec. A bird flies 40 feet above ground toward the balloon’s path at 20 feet per
1. 1 answer
2. 1,561 views
A body vibrates in simple harmonic motion with an amplitude of 5 cm and a frequency of 0.50 Hz.a) Calculate: i) the maximum
1. 1 answer
2. 877 views
The piston in a particular car engine moves in approximately simple harmonic motion with an amplitude of 8 cm. The mass of the
1. 1 answer
2. 898 views
a) A 40 cm radius wheel is rotating at 20rad/sec. How fast is this wheel moving across the ground?b) How far (in meters) will
1. 2 answers
2. 2,824 views
a) Find the angular velocity of a wheel that rotates 6 times every 4 seconds.b) What is the tangential velocity of the outside
1. 3 answers
2. 2,689 views
a) Find the angular velocity of a 40 cm radius wheel that is moving at 20 m/s.b) How many times will this wheel rotate in 5
1. 2 answers
2. 3,387 views
A father was three times as old as his son fifteen years ago and four times his sons age nineteen years ago. When was the father
1. 1 answer
2. 638 views
1.Only claims that can be objectively verified can be trusted.2.Many people have reported encounters with ghosts. 3. So the
1. 1 answer
2. 507 views
A driver jumps off the 3.0m diving board with an initial velocity of 5.0m/s. (a) Determine the maximum height, (b) The time to
1. 1 answer
2. 915 views
Solve Simultaneous Equetion Using Elimination Method: (A)2x - 3y= -3 and3x - 7y= -1.
1. 1 answer
2. 962 views
A student mixed 6 g of ice at -3.4 degrees celsius with 1 g of steam at 103 degrees celsius. What was the final temperature of
1. 1 answer
2. 518 views
A student mixed 6 g of ice at -3.4 degrees celsius with 1 g of steam at 103 degrees celsius. What was the final temperature of
1. 1 answer
2. 480 views
The ratio of the areas of two squares is 32/63. After rationalizing the denominator, the ratio of their side lengths can be
1. 2 answers
2. 2,473 views
4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores
1. 1 answer
2. 1,010 views
Can someone help with this one please?Select one reform movement from the Progressive Era. Describe the movement and its impact
1. 3 answers
2. 1,270 views
In Gibbons v. Ogden, the Supreme Court held that?
1. 3 answers
2. 663 views
If the Supreme Court were to rule that marriage is a fundamental right, under the Equal Protection Clause of the Fourteenth
1. 2 answers
2. 489 views
In Marbury v. Madison, the Supreme Court established the principle of constitutional review by? I am seconding guessing myself
1. 1 answer
2. 643 views
In Gibbons v. Ogden, the Supreme Court held that? In Chapter 7 Federal Authority and the Limits to State Authority. If I am
1. 3 answers
2. 742 views
What is the molarity of 35.0 of NaCl in 125 mL of water?
1. 1 answer
2. 469 views
a man weighs 1370N on earth what would he weigh on jupiter where free fall acceleration is 25.9 m/s2 the acceleration of gravity
1. 1 answer
2. 786 views
Solid urea, (NH2)2CO, burns to give CO2,N2, and liquid H2O. Its heat of combustion is -632.2 kJ/mol. Balance the equation for
1. 2 answers
2. 5,599 views
A 2.40 kg firecracker explodes into two pieces and produces 170 J of heat, light, and sound energy. One of the pieces has a mass
1. 0 answers
2. 677 views
Write an integer that is represented by the bold words in the following sentence. The temperature dropped 17 degrees between
1. 2 answers
2. 619 views
An investment was worth $1000. By the end of 2010 the investment had lost 30%. What percent must the investment grow by in 2011
1. 1 answer
2. 527 views
What would Jackie Robinson (might) accomplish as president of USA
1. 2 answers
2. 447 views
Which of the following would be an appropriate way to use the DECIDE tool in response to research suggesting that there are
1. 2 answers
2. 679 views
The number N of state and federal inmates in millions during year x, where x>2002 can be approximated by the following formula
1. 1 answer
2. 458 views
A race car starts from rest in the pit area and accelerates at a uniform rate to a speed of 35 m/s in 11s, moving on a circular
1. 1 answer
2. 6,036 views
(I) determine the tangential and centripetal components of the net force excreted on the car(by the ground) when it accelerates
1. 2 answers
2. 881 views
(I) determine the tangential and centripetal components of the net force excreted on the car(by the ground) when it accelerates
1. 0 answers
2. 810 views
Supplies are dropped from a stationary (not moving up or down) helicopter and, after some amount of time, land on the ground
1. 2 answers
2. 592 views
How can I calculate a pH of hypochlorite buffer into LiCLO with only initial concentrations and no Ka value?[CLO-]=.1M
1. 3 answers
2. 1,233 views
what would 1.25 be as a fraction?
1. 1 answer
2. 378 views
can you divide a fraction into another fraction?
1. 1 answer
2. 398 views
Write a dialogue in wich you convince your teacher that you are too sick to participate in sports for thed day
1. 3 answers
2. 398 views
An discursive essay of this topic , both parrents should assume equal responsibility in raising a child,agree or dis agree
1. 1 answer
2. 431 views
Do you know what is qualitative data?Please help me
1. 1 answer
2. 418 views
If you borrow $15,000 from your dad for college and you agree to pay him $25,000 back at 8% compound interest per year. How many
1. 2 answers
2. 1,039 views
The usual price of a suitcase was $100. During a sale, a 13% discount was given. Mr Lee bought the suitcase but had to pay 7%
1. 2 answers
2. 511 views
If 15.0mL of 2.50M NaCl is mixed with 60.0mL of 0.300M Pb(NO3)2, what is the mass of the precipitate
1. 1 answer
2. 613 views
given that the mass of an electron is 9.1 x 10^-28 grams and the charge on an electron is 1.6 x 10^-19 Coulombs, calculate the
1. 1 answer
2. 1,232 views
Given that the mass of an electron is 9.1 x 10^-28 grams and the charge on an electron is 1.6 x 10^-19 Coulombs, calculate the
1. 3 answers
2. 625 views
A flash of lightning transfers1.5 x 10^9 Joules of energy through a potential difference of 5.0 x 10^7 Volts between a cloud and
1. 1 answer
2. 852 views
A test charge of 5.0x10^-6 C is moved 2.0 cm through an electric force of 6.0 x 10^-7 N .What is the change in evergy of the
1. 3 answers
2. 1,337 views
solve the system7x^2 - 5y^2 + 20y = 3 21x^2 + 5y^2 =209
1. 1 answer
2. 689 views
In each of the following situations state whether or not the given assignment of probabilities to individual outcomes is
1. 1 answer
2. 1,181 views
A ball gas a radius of 56mm(a)Calculate the surface area (b)What is the volume of the sphere
1. 2 answers
2. 450 views
Given the sequence Tq=-7+3(q+4) find T4,and x if Tx=50.
1. 1 answer
2. 380 views
The nth term of the sequence 4,11,18,...is167 find n
1. 1 answer
2. 407 views
A rock contains 200. µmol 238U (t1/2 = 4.5 109 yr) and 116 µmol 206Pb. Assuming that all the 206Pb comes from decay of the
1. 4 answers
2. 1,207 views
Suppose R is the relation on N where aRb means that a ends in the same digit in which b ends. Determine whether R is an
1. 0 answers
2. 557 views
You have two decks of 26 cards. Each card in each of the two decks has a different letter of the alphabet on it. You pick at
1. 1 answer
2. 885 views
How many ways can you get a bunch of 4 books to give a friend if you have 30 books (15 novels, 10 history book and 5 math
1. 1 answer
2. 1,381 views
How many mole of H2 will be produced if 0.500 grams of magnesium is reacted with 10.00mL of 2.0 M HCl?I've concluded the answer
1. 4 answers
2. 3,685 views
Alpha particle tracks through gases and thin metal foils show few deflections. What does this tell us about the atom?
1. 1 answer
2. 1,933 views
What fuel other than uranuin can be used in a nuclear reactor?
1. 0 answers
2. 737 views
A scale drawing of an office building is not labeled but indicates 1 / 3 inch = 4 feet. On the drawing one wall measures 4 and 2
1. 4 answers
2. 849 views
A reaction proceeds according to the following mechanism:Cl2 ⇌ 2 Cl (fast equilibrium) Cl + H2 ⇌ H2Cl (fast equilibrium)
1. 0 answers
2. 574 views
Consider the voltaic cell:Zn(s) / Zn2+(aq) // H+(aq) / H2(g) / Pt(s) Calculate the value of Ecell, in V, when [Zn2+] =1.00 M and
1. 1 answer
2. 1,812 views
7[3m-(m+2)]>-6(m+3)Use set-builder notation to describe the complete solution {m|m > ? } (type an equality symbol; then type an
1. 1 answer
2. 627 views
make a flow chart and a hierarchy chart for a small software company that need to calculate there employee pay and rate of pay
1. 1 answer
2. 579 views
are molecules that are polar in nature assymetrical or symmetrical ?i think assymetrical ?
1. 2 answers
2. 341 views
given the balanced equation:2Al2O3(s)-->4Al(s)+302(g) What is the total number of moles of O2 that are produced when 8.0 mol of
1. 6 answers
2. 3,217 views
The heights of the buildings are normally distributed. The mean of the heights is 275 feet and the standard deviation is 30
1. 1 answer
2. 577 views
URGENT!!You wish to prepare 1 L of a 0.02 M potassium iodate solution. You require that the final concentration be within 1% of
1. 2 answers
2. 2,503 views
The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number
1. 1 answer
2. 629 views
how children learn
1. 1 answer
2. 320 views
could anyone please solve this riddle :I am what you cannot be but you once were what i will become i am what only blind can see
1. 8 answers
2. 1,030 views
How do you code your data?
1. 1 answer
2. 349 views
How do you code your data?
1. 1 answer
2. 371 views
When is the Analysis of Variance or ANOVA test used?
1. 1 answer
2. 633 views
What is the Central Limit Theorem and how can it be used in statistics?
1. 1 answer
2. 442 views
I have to sample 300 persons. How do I go about doing this and how do I know that the population I have chosen has the
1. 1 answer
2. 1,028 views
Case Eastern Junior College awarded 26 varsity letters in crew, 15 in swimming, and 16 in scoccer. If awards went to 46 students
1. 1 answer
2. 635 views
Which of the following aren't included in the measurement of GDP?Exports Personal income Consumption spending Government
1. 1 answer
2. 569 views
Calculate the rate at which N2O4 is formed in the following reaction at the moment in time when NO2 is being consumed at a rate
1. 1 answer
2. 1,685 views
HiFirst off, I do not know anything about US auto parts. I want to know how strong the competition is here. Who are the big
1. 0 answers
2. 359 views
a pasta machine costs $33.The ingredients to make one batch of pasta cost $.33.The same amouunt of pasta puchased at a store
1. 3 answers
2. 822 views
your family is driving to houston,texas.A sign indicates that you are 700 miles from houston.Your car's trip odometer indicates
1. 5 answers
2. 1,683 views
your family is driving to houston,texas.A sign indicates that you are 700 miles from houston.Your car's trip odometer indicates
1. 4 answers
2. 1,633 views
How are the political systems of the Persian Empire and Greece alike?
1. 2 answers
2. 438 views
How are the Assyrian and Phoenician empires alike?
1. 1 answer
2. 608 views
Once a group of people have settled in one location, what happens next?
1. 1 answer
2. 377 views
What other reform efforts might be instituted to improve caregivers socialization skills?
1. 2 answers
2. 499 views
what types of reform efforts are being implemented to improve caregivers socialization skills?
1. 1 answer
2. 587 views
My father had two sons, from whom I was the oldest, and two daughters.Sorry for the inconveinience, but I'm not English, and
1. 3 answers
2. 549 views
Hi,I've got a question about producer surplus. I know that the magnitude of producer surplus would depend on the elasticity of
1. 1 answer
2. 441 views
A leaky cylindrical oilcan has a diameter of 4 inches and a height of 6 inches. The can is full of oil and is leaking at the
1. 4 answers
2. 2,292 views
For the past few hours, I've been toiling away at this impossible passage's question set. If anyone can help, I will be forever
1. 1 answer
2. 482 views

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