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A truck is stopped at a stoplight. When the light turns green, the truck accelerates at 2.0 m/s2. At the same instant, a car
1. 0 answers
2. 651 views
From a point on a straight road. Pablo and Kelsey ride bicycles in the same direction. Pablo rides 12mph and Kelsey ride 14mph.
1. 1 answer
2. 597 views
What were the economic and social condition of America in the early 1900s (1900-1940)?
1. 1 answer
2. 465 views
HOW MANY GRAMS OF CALCIUM IS 3.08 MOL OF Ca?
1. 1 answer
2. 298 views
HOW MANY MOLES OF CALCIUM IS 139g OF Ca?
1. 1 answer
2. 483 views
HOW MANY ATOMS 0.151 MOL OF LITHIUM?
1. 1 answer
2. 357 views
HOW MANY MOLES OF LITHIUM IS 2.69XE9
1. 1 answer
2. 315 views
Given x is the midpoint of yz. given xy =6x+4 and yz=40, fing the value of x
1. 1 answer
2. 422 views
If after precipitation of the Group I cations as chlorides by the reaction with HCl, nearly all of the precipitate dissolves in
1. 1 answer
2. 506 views
Find the forces exerted by the two supports of a 4.0m, 50-kg diving board when a 60-kg woman stands at its end. The two supports
1. 1 answer
2. 1,290 views
Find the shortest distance between the two skew lines L1 and L2 with equations r = [1,2,2] + s [4,3,2] and r = [1,0,-3] + t
1. 1 answer
2. 398 views
Find the shortest distance from a point P(2,-1,2) to a line L r= [-1,0,7] + t [4,1,-2].
1. 1 answer
2. 410 views
How many trees can be planted in an area of 90000 sq feet if vertically 8 feet distance and horizontally 3 feet distance is to
1. 4 answers
2. 494 views
determine the angle between the planes 2x + 2y + 7z = 8 and 3x - 4y + 4z = 5
1. 0 answers
2. 315 views
explain why a scalar equation of the line exists in 2-D space, but not in 3-D space.
1. 0 answers
2. 484 views
determine an equation for each planea) contains the point A(6,2,3), B(5,1,-3), and C(5,7,-2) b) parallel to 2x + 6y + 4z = 1 and
1. 0 answers
2. 358 views
Write a vector equation AND parametric equations of the line through the points A(6,-1,5) and B(-2,-3,6)
1. 2 answers
2. 521 views
Determine the vector u = AB and its magnitude, given A(3,7,-2) and B(9,1,5).
1. 2 answers
2. 312 views
Calculate the angle between u = [5,7,-1] and v = [8,7,8]
1. 2 answers
2. 378 views
Calculate the dot product of two vectors:m = [4,5,-1] and n = [6,-2,7]
1. 3 answers
2. 407 views
Find the total work done by a 15 N force in the direction of the vector [1,2,2], when it moves a particle from O[0,0,0] to
1. 0 answers
2. 364 views
Find the distance between the lines [x,y,z] = [-1,1,0] + s[3,4,-2] and [x,y,z] = [5,9,-4] + t[2,3,1]. Interpret the result.
1. 2 answers
2. 877 views
Find the total work done by a 15 N force in the direction of the vector [1,2,2], when it moves a particle from O[0,0,0] to
1. 6 answers
2. 550 views
Find the vector equation of the line that passes through the point (2,-1,7) and is parallel to the line of intersection of the
1. 2 answers
2. 588 views
Three forces of 5 N, 8 N, and 10 N act from the corner of a cube along its edges. Using Cartesian vectors, find the magnitude of
1. 2 answers
2. 1,116 views
Three forces of 5 N, 8 N, and 10 N act from the corner of a cube along its edges. Using Cartesian vectors, find the magnitude of
1. 1 answer
2. 457 views
Find the vector equation of the line that passes through the point (2,-1,7) and is parallel to the line of intersection of the
1. 0 answers
2. 477 views
10. Consider the lines [x,y,z] = [4,7,-1] + t[4,8,-4] and [x,y,z] = [1,5,4] + s[-1,2,3].a) Show that the lines intersect at the
1. 5 answers
2. 619 views
Does the line [x,y,z] = [-2,6,5] + t[3,2,-1] lie in the plane 3x - 4y + z + 25 = 0 ? Please show work.
1. 3 answers
2. 804 views
Explain why a line in three-space cannot be represented by a scalar equation.
1. 0 answers
2. 448 views
Determine an equation for the line parallel to 2x + 6y + 4z = 1 and contains the point P(3, 2, 1).
1. 2 answers
2. 529 views
Where does the line [x, y, z] = [6, 10, 1] + t[3, 4, -1] meet the xy-plane?
1. 3 answers
2. 321 views
Determine if the planes in each pair are parallel and distinct or coincident.a) 5x - 2y + 4z = 7 5x - 2y + 4z = -3 b) 7x - 3y -
1. 9 answers
2. 1,111 views
Explain why a line in three-space cannot be represented by a scalar equation.
1. 0 answers
2. 517 views
1. a) Write the vector and parametric equations of the line through the points A(6, -1, 5) and B(-2, -3, 6).b) Find another
1. 2 answers
2. 439 views
Explain why three directional vectors of the plane cannot me mutually perpendicular .
1. 4 answers
2. 1,138 views
Determine an equation for the line parallel to 2x + 6y + 4z = 1 and contains the point P(3, 2, 1).
1. 0 answers
2. 327 views
Explain why three directional vectors of the plane cannot me mutually perpendicular .
1. 0 answers
2. 406 views
Determine an equation for the line parallel to 2x + 6y + 4z = 1 and contains the point P(3, 2, 1).
1. 0 answers
2. 321 views
Determine an equation for the plane that contains the points A(6, 2, 3), B(5, 1, -3), and C(5, 7, -2).
1. 2 answers
2. 453 views
1. a) Write the vector and parametric equations of the line through the points A(6, -1, 5) and B(-2, -3, 6).b) Find another
1. 3 answers
2. 512 views
How is the poem 'Sadie and Maud' by Gwendolyn Brooks synonymous to Realism, Naturalism and Modernism?
1. 5 answers
2. 1,070 views
Determine the water level inside a tank that has a diameter of 40 feet and contains 180,000 gallons of water?
1. 2 answers
2. 395 views
what is 8.3% of 132,000,000
1. 2 answers
2. 296 views
A 83-kg fisherman in a 122-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.7 m/s
1. 1 answer
2. 535 views
An object has a kinetic energy of 244 J and a momentum of magnitude 24.9 kg · m/s.(a) Find the speed of the object. (b) Find
1. 1 answer
2. 460 views
Calculate the value of the change in enthalpy(H) when the temperature of 1 mole of a monatomic gas is increased from 25C to
1. 0 answers
2. 370 views
The string of a conical pendulum is 54.5 cm long and the mass of the bob is 0.22 kg.a) Find the angle between the string and the
1. 1 answer
2. 835 views
A mass m1 on a horizontal shelf is attached by a thin string that passes over a frictionless pulley to a 2.5 kg mass (m2) that
1. 0 answers
2. 873 views
a shot is released at a height of 1.89m, with a speed of 13m/s and at an angle of 34 degrees. Calculate the maximum height
1. 0 answers
2. 884 views
a shot is released at a height of 1.89m, with a speed of 13m/s and at an angle of 34 degrees. Calculate the maximum height
1. 0 answers
2. 368 views
A circular automobile racetrack is banked at an angle theta such that no friction between road and tires is required when a car
1. 1 answer
2. 1,335 views
Parametrize the curve of intersection of x = -y^2 - z^2 and z = y.
1. 2 answers
2. 492 views
What is the empirical formula if given c-.1929 h-.01079 o-.08566 cl-.1898
1. 1 answer
2. 292 views
When plants die, what happen to carbon dioxide?They would be more co2 or less?
1. 0 answers
2. 461 views
Round 50.4 square miles to the nearest Square mile
1. 3 answers
2. 935 views
A mass of 5.2 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is
1. 1 answer
2. 533 views
A mass of 5 kg lies on a frictionless, horizontal floor. A force of 135 Newtons is applied to the mass at an angle above the
1. 0 answers
2. 728 views
USING AM IMAGINARY FIGURE OF $19,250.00 AS AN ANNUAL INCOME FIGURE, HOW MUCH MONEY COULD YOU SAVE A YEAR IF YOU BUDGETED HALF OF
1. 1 answer
2. 368 views
You have 2 floors, and there are 14 steps inbetween the two floors. you have a cat that can get to the top by either taking one
1. 1 answer
2. 408 views
Gibbs free energyWhat is the equilibrium constant at 25 C? deltaG= deltaH - (T(K)+deltaS) deltaS= -121.1 deltaH= -77.36 so at 25
1. 3 answers
2. 530 views
Express the volume of a rectangular solid (box) whose height, width and length are x,2x and 3x, respectively, as a function of
1. 0 answers
2. 381 views
Is there a relationship between & LUMO and bonding & antibonding? Explain.
1. 0 answers
2. 424 views
A) As a wind instrument warms up, the resonant frequencies of the instrument tend to slightly decrease.B) If the air in a
1. 2 answers
2. 1,043 views
20(1/5n - 3/4) + 9n
1. 1 answer
2. 234 views
some smart person solve thiss ;]y-18x+18=4 or help me im confused
1. 2 answers
2. 458 views
A 55.0 kg girl is roping through the top of a tiny tree. She quickly swings down from her 12.0 m high perch and grabs a 21.0 kg
1. 1 answer
2. 830 views
A high-speed test track for cars has a curvedsection — an arc of a circle of radius R = 1440 m. The curved section is banked
1. 0 answers
2. 1,307 views
Need help solving this problem. If there's an equation at the end, need help in how to solve that also. Compounded interest
1. 1 answer
2. 487 views
How do I solve these questions?3 1/3 - 2 2/5= 2.75 + .003 + .158 = 7/20 is equal to ? What is the value of the expression 2x2+
1. 1 answer
2. 618 views
find lim f(x) - lim f(x)x->infinity x->-infinity if f(x)=ln (x+sqrt[x^2+a^2])/(x+sqrt[x^2+b^2]) a and b are real numbers
1. 0 answers
2. 757 views
find lim f(x) - lim f(x)
1. 0 answers
2. 446 views
If a person is traveling at a rate of seventy five miles per hour in a straight line, how far would they travel in three
1. 2 answers
2. 431 views
Who were some of the original Texas Wildcatters?
1. 1 answer
2. 442 views
Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C.F
1. 0 answers
2. 1,107 views
Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C.F
1. 0 answers
2. 436 views
What are some characteristics of Greek civilizations?
1. 2 answers
2. 824 views
1.) two marbles are drawn without replacement from a bowl containing seven red, four blue, and nine yellow marbles. what is the
1. 1 answer
2. 1,163 views
1.) two marbles are drawn without replacement from a bowl containing seven red, four blue, and nine yellow marbles. what is the
1. 1 answer
2. 576 views
name if the following involve, seperation in powers, checks and balances, judicial review, federalism, or some combination of
1. 3 answers
2. 460 views
I am having so many problems with these volume problems,1. Find the volume of a the solid obtained by rotating the region
1. 0 answers
2. 593 views
A horizontal spring, resting on a frictionless tabletop, is stretched 14 from its unstretched configuration and a 1.00- mass is
1. 1 answer
2. 931 views
I need help making an MLA works cited. i have 3 sources... they are all newspaper articles that i found online. someone please
1. 0 answers
2. 979 views
A helicoptor bladehas an angular speed of 6.50 rev/s and has an angular acceleration of 1.30 rev/s. point 1 on the blade is
1. 0 answers
2. 463 views
a truck is traveling to the right and slowing down. If we define a positive displacement to be motion to the right, the truck
1. 0 answers
2. 377 views
What average power is required for a runner with a mass of 80 kg to reach a speed of 8.2 m/s during a time of 1.8 s?
1. 0 answers
2. 702 views
Is this a better present tense sentence?I think education is a very important role in successful financial planning. And is
1. 1 answer
2. 429 views
Is this past perfectI had never studied financing until I signed up for college.
1. 1 answer
2. 330 views
Would this sentence be past simple tense or past perfect tense?I learned how to create a financial plan and to budget money in
1. 2 answers
2. 635 views
What verb tense would this sentence be?I am learning so much about financial planning in my personal finance class.
1. 2 answers
2. 671 views
Is this a present tense verb sentence?I believe education is a very important role in successful financial planning
1. 1 answer
2. 1,216 views
what is the proper verb tense? With an education i will be able to find a better job?
1. 1 answer
2. 838 views
what is the proper verb tense in the sentence below? With an education i will be able to find a better job?
1. 1 answer
2. 455 views
I need to write 5 sentences showing the verb and its tense. The sentences need to be about the role of education in sucessful
1. 3 answers
2. 645 views
a horizontal speed of 15.8 m/s and a vertical speed 10.0 m/s upward. What is the vertical speed 1.12 s later?
1. 1 answer
2. 374 views
A 4kg object is subjected to two forces, F1=2Ni-3Nj, and F2=4Ni-11Nj. The object is at rest at the origin at t=0.What is the
1. 4 answers
2. 2,696 views
A wooden boxcar is moving along a straight railroad track at speed v1. A sniper fires a bullet (initial speed v2) at it from a
1. 2 answers
2. 1,205 views
A steam catapult launches a jet aircraft (from rest) from the aircraft carrier John C. Stennis, giving it a speed of 160 mi/h in
1. 1 answer
2. 1,274 views
A truck covers 40.0 m in 7.00 s while smoothly slowing down to a final velocity of 2.45 m/s.Find the truck's original speed.
1. 2 answers
2. 661 views
A truck covers 40.0 m in 7.00 s while smoothly slowing down to a final velocity of 2.45 m/s.
1. 3 answers
2. 898 views

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