Ask a New Question

Questions and answers by

sam

Questions (2,083)

lamina in the xy plane is bounded by y=0,x=0 and 2x + y=2 has mass density at (x,y) equal to the distance to the x-axis. find
1. 0 answers
2. 523 views
a lamina in the xy plane is bounded by y=0,x=0 and 2x + y=2 has mass density at (x,y) equal to the distance to the x-axis. find
1. 0 answers
2. 618 views
A vector parallel to the tangent to the curve x=3t^(4/3) y=2t^3 -1 z= 2/(t^2) at the point (3,-3,2) on the curve is:the answer
1. 1 answer
2. 447 views
Given f(x,y,z)=<y,z^2-x,x> use stokes theorem to determine the flux integral curlF dot ds, where S is the graph of z=9 - x^2 -
1. 2 answers
2. 675 views
a vector parallel to the line of intersection of the planes. x-2y-z=6 and 3x-y+z=4the answer is <3,4,-5> so first, I took the
1. 2 answers
2. 1,708 views
A diffraction grating with 150 slits per centimeter is used to measure the wavelengths emitted by hydrogen gas. At what angles
1. 0 answers
2. 927 views
An igneous rock contains a Pb−206/U−238 mass ratio of 0.367.How old is the rock? (U−238 decays into Pb−206 with a
1. 1 answer
2. 2,630 views
According to the manual of a certain car, a maximum torque of magnitude 76.0 N · m should be applied when tightening the lug
1. 0 answers
2. 717 views
A normal population has mean 100 and variance 25. How large must the random samplebe if we want the standard error of the sample
1. 2 answers
2. 5,472 views
Question: Object A is moving at a maximum speed of 6m/s towards Object B. At 50 m away Object B accelerates from the approaching
1. 2 answers
2. 809 views
I am looking for the school report each year regarding school violence and vandalism? I can not find this information on the
1. 1 answer
2. 668 views
What are the expected charges on the following transition metals?Mn= Rh=
1. 1 answer
2. 368 views
What culture would someone have if they live in Missouri
1. 2 answers
2. 415 views
Calculate the molar enthalpy of reactionstandard enthalpy of formation below. H20 = -285.8 kj/mole H+ = 0.0 kj/mole OH- = -229.9
1. 2 answers
2. 648 views
How would temperature changes observed using a calorimeter differ forexothermic and endothermic reactions?
1. 1 answer
2. 1,582 views
A student constructs a galvanic cell that has a strip of iron metal immersed in a solution of0.1M Fe(NO3)2 as one half-cell and
1. 1 answer
2. 1,817 views
An air puck of mass 0.278 kg is tied to a stringand allowed to revolve in a circle of radius 1.25 m on a horizontal,
1. 0 answers
2. 789 views
evaluate the integral of 2e^xdx from -5 to 5.
1. 1 answer
2. 395 views
Weights of parts are normally distributed with varianceσ2. measurement error is normally distributedwith mean zero and variance
1. 0 answers
2. 675 views
In a Little League baseball game, the 145 g ball enters the strike zone with a speed of 13.0 m/s. The batter hits the ball, and
1. 0 answers
2. 1,400 views
An ice hockey puck slides along the ice at 15 m/s . A hockey stick delivers an impulse of 4.8kg/m/s causing the puck to move off
1. 2 answers
2. 1,160 views
integral of y^3/(y^4 +1) dyI don't get how you get (1/4) ln(y^4 +1) out of this. I thought you would do the quotient rule. but
1. 4 answers
2. 411 views
Mattie is a new sociology professor at the local college. During her first lecture, she noticed that some students were yawning.
1. 2 answers
2. 1,048 views
In the transmission of digital information, the probability that a bit has high, moderate,and low distortion is 0.01, 0.04, and
1. 1 answer
2. 1,314 views
A ball player hits a home run, and the baseball just clears a wall 20.3 m high located 119.0 m from home plate. The ball is hit
1. 0 answers
2. 781 views
how would you calculate the largest prime number given a number x so for example say someone inputs 8 , the largest prime number
1. 1 answer
2. 509 views
write a ratio in 3 ways, comparing the first quantity to the second. A week has 5 school days and 2 weekends. Second question
1. 0 answers
2. 904 views
A bullet is fired straight up from a gun with amuzzle velocity of 214 m/s. Neglecting air resistance, what will be its
1. 0 answers
2. 430 views
John can build 7 birdhouses in 5 hours, write an equation that will allow john to calculate the time it will take to build any
1. 0 answers
2. 552 views
A recipe for fruit salad serves 4 people. It calls for 2 oranges and 16 grapes. You want to serve 10 people. How many oranges
1. 4 answers
2. 940 views
A 52.2 kg parachutist lands moving straight downward with a speed of 3.75 m/s. If the parachutist comes to rest with constant
1. 1 answer
2. 850 views
Calculate the volume in liters of a M copper(II) sulfate solution that contains of copper(II) sulfate . Round your answer to
1. 1 answer
2. 1,109 views
Bananas are $0.59/pound. What is the constant of proportionality?
1. 1 answer
2. 884 views
find the values of the variables32 40 96 120 112 x 144 180 k 230 how do you do this? what is the formula? Thank you
1. 5 answers
2. 444 views
A helicopter weighs 3920 newtons, caculated the force on it if it is ascending up at a rate of 2m/s squre ,what wil b force on
1. 9 answers
2. 6,807 views
Find the unit rate. Run 400 meters in 1 min 32 s. Have no idea, please help.
1. 2 answers
2. 520 views
Which statement BEST describes the philosophy of Sir Robert Filmer?A. Kings derive their power from the consent of their
1. 10 answers
2. 4,120 views
Four girls (say I, II, III and IV) are to rank 3 different types of cake (say A, B and C) in a blindfold test. Each girl ranks
1. 0 answers
2. 554 views
An urn contains 10 balls of which 6 are white, 3 are red and 1 is green. Two balls are drawn at random from the urn. Find the
1. 0 answers
2. 661 views
write 4% as a fraction form
1. 1 answer
2. 431 views
identify one rational number and one irrational number that are members of the interval (-8,8)
1. 1 answer
2. 429 views
When a test charge q0 = 9 nC is placed at the origin, it experiences a force of 8 times 10-4 N in the positive y direction.(c)
1. 1 answer
2. 1,742 views
A particle beam is made up of many protons each with a kinetic energy of 3.25times 10-15J. A proton has a mass of 1.673times
1. 3 answers
2. 5,037 views
Pete is 5.77 cm taller than Kyle. Kyle is 155.09 cm tall. How tall is Pete?
1. 1 answer
2. 417 views
Pete is 5.77 cm taller than Kyle. Kyle is 155.09 cm tall. How tall is Pete?
1. 1 answer
2. 463 views
Find two unit vectors that make an angle of 60° withv = <6, 8>
1. 2 answers
2. 915 views
calculate the amount of work it takes to increase a cars speed from 10mph to 30 mph and from 50mph to 60mph. Is more work
1. 1 answer
2. 442 views
a man with a 45kg mass dove 12m from a building into 0.32m of water. a)what was his kinetic energy when he hit the water?b)what
1. 1 answer
2. 380 views
a 1.2 kg ball drops vertically onto the floor, hitting with a speed of 25m/s. it rebounds with an initial speed of 10m/s. a)
1. 1 answer
2. 1,191 views
a 60g golf ball leaves the face of the club with a velocity of 75m/s. if the club exerted an average force of 3.0x10to the 4th
1. 1 answer
2. 1,115 views
a 50kg box is pushed up a 30 degree plane which is 100m long. what is the speed of the box after being pushed the 100m? Mk=0.1
1. 1 answer
2. 491 views
a baseball is thrown from a mound .833ft above ground level ,to home plat 60.5 feet away. the ball is released horizontally from
1. 1 answer
2. 719 views
suppose that a 70.0kg box is pulled by a 400.N force at an angle of 30 degrees to the horizontal. the coefficient of sliding
1. 1 answer
2. 2,883 views
Two ships leave different ports A and B 100 miles apart at 0800 hours, each heading for the opposite port on reciprocal courses.
1. 1 answer
2. 598 views
Find the exact area of the surface obtained by rotating the curve about the x-axis.9x = y2 + 36, 4 ≤ x ≤ 8 I keep on getting
1. 4 answers
2. 2,612 views
An object with mass 110 kg moved in outer space. When it was at location < 11, -35, -7 > its speed was 17.5 m/s. A single
1. 0 answers
2. 889 views
The velocity of a ball changes from ‹ 8, −5, 0 › m/s to ‹ 7.88, −5.28, 0 › m/s in 0.04 s, due to the gravitational
1. 2 answers
2. 4,289 views
A 6 kg box with initial speed 5 m/s slides across the floor and comes to a stop after 1.4 s.a.What is the magnitude of the
1. 2 answers
2. 3,134 views
integral: sqrt (16 + 6x − x^2)dx
1. 3 answers
2. 2,786 views
what % of 100 is 150? what is the formula for doing this ? Thanks
1. 1 answer
2. 380 views
Which of the following correctly describes an example of how climate affected the settlement in North America ? A. most of the
1. 5 answers
2. 1,852 views
A user calls the help desk and says she cannot install a Windows application on her Windows 8 computer because she is being
1. 4 answers
2. 1,935 views
Was the city of Constantinople named after the greek city Byzantium? Or was it just built on that former site with a new name?
1. 2 answers
2. 584 views
In the sentence Some only have two legs and some are legless. What would the subject and verb be ?
1. 8 answers
2. 406 views
Complete the table to determine the balance A for $12,000 invested at rate r for t years, compounded continuously. (Round your
1. 0 answers
2. 612 views
Valerie plays a game using the spinner shown. During the game she will spin a total of 36 times.Which is the best prediction for
1. 0 answers
2. 1,239 views
The table shows the results of a spinner with four colored sections. Use the table to answer the question.The spinner is spun 50
1. 2 answers
2. 1,670 views
Three out of 200 machine parts were found to be defective.About how many parts would be expected to be defective out of 2500
1. 1 answer
2. 574 views
Sheila drew single marbles from a bag, recorded the outcome, and replaced the marble. In 50 draws, Sheila drew 20 white marbles
1. 1 answer
2. 615 views
a deck of cards contains 6 blue, 7 yellow cards, three red cards, and 5 green cards. what is the theoretical probability of
1. 1 answer
2. 766 views
The fastest car on earth a Thrust SSC would win every NASCAR race in America. If it takes 0.5 hours to travel 380 miles, what is
1. 7 answers
2. 1,416 views
Why can an array of smaller interferometers have a better angular resolution than one large interferometer?
1. 0 answers
2. 433 views
The mass of a golf ball is 45.9g g . If it leaves the tee with a speed of 70.0m/s m/s , what is its corresponding wavelength?
1. 2 answers
2. 892 views
A climber stands on a ledge on one side of a valley. He claps his hands and hears an echo fromthe opposite side of the valley
1. 1 answer
2. 763 views
The planet Jupiter has a satellite, Io, which travels in an orbit of radius 4.220×108 m with a period of 1.77 days. Calculate
1. 0 answers
2. 543 views
Reggie knows the length and width of a rectangle. How can he find the perimeter of the rectangle
1. 1 answer
2. 546 views
A staging that weighs 210 N supports twopainters, one 310 N and the other 440 N. The reading in the left scale is Fℓ = 320 N.
1. 0 answers
2. 700 views
what general statement you make about Babe Didrikson and women athletes?
1. 1 answer
2. 555 views
Heat can be defined as in phy113
1. 0 answers
2. 472 views
What mass of ice is needed to cool 60g of water from 43oC to 20oC
1. 2 answers
2. 1,373 views
An ungraduated mercury thermometer attached to a millimeter scale reads 22.8 mm in ice and 242mm in steam at standard pressure.
1. 1 answer
2. 2,246 views
Quinine is a natural product extracted from the bark of the cinchona tree, which is native to South America. Quinine is used as
1. 1 answer
2. 860 views
Four acrobats of mass 83.5 kg, 68.0 kg, 62.0 kg, and 55.0 kg form a human tower, with each acrobat standing on the shoulders of
1. 1 answer
2. 727 views
In a recent poll of 2000 households, 29% had pets. How many households did not have pets?
1. 5 answers
2. 585 views
Fabric costs14.00 per yard. If you buy 5 yards or more ,you can get 20% off. how much would 5 yards cost on sale?
1. 2 answers
2. 468 views
how do you do 33 1/3% of 200.oo? the 1/3 is throwing me off. Thank you
1. 2 answers
2. 442 views
Pete saved 24.00 of the 60 .oo dollars he earned. What percentage of his earnings did he save ?
1. 3 answers
2. 428 views
John bought 3 of the same shirt and paid 63.00 after the 30%discount.What was the original price of one of the shirts ? Not sure
1. 3 answers
2. 642 views
how to use a common denominator to write an equivalent fraction for each fraction?
1. 8 answers
2. 4,141 views
I need help on how to use a common denominator to write an equivalent fraction for each fraction?number 1 is 1/2,1/3 and number
1. 1 answer
2. 519 views
A rhombus has diagonals of lenth 12 cm and 7 cm respectively. Find the larger angle of the rhombus
1. 2 answers
2. 2,110 views
A store finds out that 5 out of every 9 customers prefer new extra crunch peanut butter. If the store sells 90,000 jars or
1. 5 answers
2. 615 views
Suppose that each unit of a system is up with probability 2/3 and down with probability 1/3. Different units are independent.
1. 6 answers
2. 4,942 views
How many pounds of nails will be needed to fill 100 boxes with 8oz. of nails in each?
1. 5 answers
2. 1,351 views
After falling from rest at a height of 31.5 m, a 0.564 kg ball rebounds upward, reaching a height of 20.2 m. If the contact
1. 0 answers
2. 581 views
The initial velocity of a 1.55 kg block sliding down a frictionless inclined plane is found to be 1.27 m/s. Then 1.07 s later,
1. 1 answer
2. 716 views
Each band member had 12 tickets to sell, Jamie sold 9 of his tickets Matt sold 6 of his tickets. Using fractions find the total
1. 4 answers
2. 539 views
To tighten a bolt, you push with a force of 76N at the end of a wrench handle that is 0.26m from the axis of the bolt.What
1. 1 answer
2. 668 views
A ladder is 2 m long. It leans against a wall so that it is 90 cm from the base of the wall. How far up the wall does the ladder
1. 1 answer
2. 1,010 views
calculate the percentages by mass of the component element in sodium trioxonitrate(v)
1. 10 answers
2. 4,634 views

Pages

1
2
3
4
5
6
7
8
9
10

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025