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Chris

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A particle is at rest at the apex A of a smooth fixed hemisphere whose base is horizontal. The hemisphere has centre O and
1. 2 answers
2. 955 views
"Two cars are traveling along perpendicular roads, car A at 40mph, car B at 60mph. At noon, when car A reaches the intersection,
1. 1 answer
2. 3,521 views
In a right triangle, CT = 6, CA = 3, and m<CAT = 90. What is the value of cot C ?CT= hypo CA= Opp.
1. 1 answer
2. 1,028 views
A small ball is launched at an angle of 30.0 degrees about the horizontal. It reaches a maximum height of 2.5m with a respect to
1. 1 answer
2. 1,053 views
How do the components and processes of communication apply to the electrnic/computer channel?
1. 6 answers
2. 408 views
A glass window 0.50 cm thick measures 86 cm by 31 .How much heat flows through this window per minute if the inside and outside
1. 0 answers
2. 1,319 views
Damon help again :) (last one I promise)why is X along the road sqrt2/2? ] A rancher plans to set aside a rectangular region of
1. 3 answers
2. 569 views
Damon, Help :)A rancher plans to set aside a rectangular region of one square kilometer for cattle and wishes to build a wooden
1. 1 answer
2. 576 views
A rancher plans to set aside a rectangular region of one square kilometer for cattle and wishes to build a wooden fence to
1. 1 answer
2. 624 views
Volume of 0.185 mol . L-1 and 0.74 M
1. 1 answer
2. 332 views
Air dry weight of MgNH4Po4 * 6 H2O
1. 1 answer
2. 352 views
Ms. Sue, thanks for your answer. Is there a rule in grammar that I can use to convince someone that #2 is correct?Which one is
1. 0 answers
2. 381 views
which one is correct:1. the box contains two slides labeled "A" or "B" 2. the box contains two slides labeled "A" and "B"
1. 3 answers
2. 383 views
A 450 kg spherical mass is placed 4.40 meters away from a 550 kg spherical mass. What is the magnitude of the gravitational
1. 0 answers
2. 727 views
An oil whose density is 0.775g/mL was used in a open-end manometer to measure the pressure of a gas in a flask, as shown in
1. 1 answer
2. 728 views
what is a dilute solution
1. 1 answer
2. 328 views
Soldiers carried several days cold nations. should days chage to a possessive noun from days to days'
1. 1 answer
2. 577 views
Solve and simplify:x^2+14x-4=0
1. 1 answer
2. 357 views
Add, simplify if possible4y/y^2-9 + y/y-3
1. 1 answer
2. 349 views
Solve sqrt:9x+55=x+5, Simplify and use comma to separate the answers
1. 1 answer
2. 444 views
I have a compound (mx)weak acid (x- = Hx) mx in 5M strong acid solution solubility = 5x10(-3) Ksp = 1x10(-20) Find Ka... I need
1. 1 answer
2. 531 views
Classify triangle ABC by its sides if side AB = 6x, side AC = 4x + 6 and side BC = 8x + 3. The perimeter of triangle ABC is 63.
1. 1 answer
2. 1,249 views
Michelson used a rotating eight sided mirrored "wheel" to determine speed of light. In this case the mirror is rotated at a
1. 1 answer
2. 538 views
What stands on a hill called acropolis in for 2500 years in Greece
1. 1 answer
2. 537 views
Find the linear speed of the bottom of a test tube in a centrifuge if the centripetal acceleration there is 5.1×104 times the
1. 0 answers
2. 549 views
Jill of the Jungle swings on a vine 6.4 long.What is the tension in the vine if Jill, whose mass is 59 , is moving at 3.0 when
1. 2 answers
2. 3,187 views
Find the centripetal acceleration at the top of a test tube in a centrifuge, given that the top is 4.5 from the axis of rotation
1. 0 answers
2. 620 views
Driving in your car with a constant speed of 12 , you encounter a bump in the road that has a circular cross-section, as
1. 0 answers
2. 627 views
When you take your 1000- car out for a spin, you go around a corner of radius 57 with a speed of 19 . The coefficient of static
1. 1 answer
2. 501 views
A 8.0×10−2- toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant
1. 2 answers
2. 857 views
On Apollo missions to the Moon, the command module orbited at an altitude of 150 above the lunar surface.How long did it take
1. 0 answers
2. 803 views
A 6.5- bowling ball and a 7.1- bowling ball rest on a rack 0.80 apart.Part A- What is the force of gravity exerted on each of
1. 0 answers
2. 487 views
A communications satellite with a mass of 400 is in a circular orbit about the Earth. The radius of the orbit is 3.7×104 as
1. 1 answer
2. 1,026 views
What language was spoken/written by the venerable bede/ pre Beowulf period?
1. 0 answers
2. 421 views
(-4,8);6x=7y+3 Write the equation of the line containing the given points and parallel to given line express your answer in
1. 1 answer
2. 569 views
-From the following two linear homogeneous algebraic equations:(sqr= square root)(1) B*sin(kl/sqr2) = D*sin(kl) (2)
1. 2 answers
2. 483 views
Write two examples of complex sentences, the first having the dependent clause appearring at the start, and the second with the
1. 3 answers
2. 651 views
Which has the largest perimeter, Polygon A or Polygon B? Polygon A is a square (5 cm each side) - Polygon B is 20 sided (1 cm
1. 1 answer
2. 635 views
A block is pushed across a horizontal surface with a coefficient of kinetic friction of 0.15 by applying a 150 N horizontal
1. 2 answers
2. 1,084 views
At the base of a frictionless icy hill that rises at 23.0m above the horizontal, a toboggan has a speed of 12.0m/s toward the
1. 2 answers
2. 1,108 views
If 0.120 moles of water are produced in the reaction H+(aq)+OH-(aq)=H2O deltaH=-56.2kj/mol
1. 1 answer
2. 455 views
If 0.120 moles of water are produced in the reaction H+(aq)+OH-(aq)=H2O deltaH=-56.2kj/mol
1. 1 answer
2. 452 views
Delta H reaction for the following reaction: C(s)+H2O(g)=>CO(g)+H2(g)
1. 1 answer
2. 572 views
A tile is 38 cm long and the space between the tiles is 0.8. How many tiles are required to build a floor 5.82 m long?
1. 2 answers
2. 381 views
A tile is 38 cm long and the space between the tiles is 0.8. How many tiles are required to build a floor 5.82 m long?
1. 1 answer
2. 398 views
Imgaine that a cart intially moving with velocity V_0, collides with a cart at rest and then the two carts stick together. Find
1. 1 answer
2. 434 views
a titration experiment 20 mL solution of hydrochloric acid required 15.2mL of a .879 M barium hydroxide solution. What was the
1. 1 answer
2. 979 views
The energy levels the electron can occupy in the H atom can be calculated using the energy level equation. Calculate the
1. 1 answer
2. 896 views
Find the indicated limits. If the limit does not exist, so state, or use the symbol + ∞ or - ∞.f(x) = { 2 - x if x ≤ 3 {
1. 0 answers
2. 858 views
f a rock is thrown upward on the planet Mars with a velocity of 7 m/s, its height in meters t seconds later is given by y = 7t
1. 1 answer
2. 870 views
Car A is travelling at a constant speed of 100mph at the time it passes a stationary vehicle (Car B). If the Car B hopes to
1. 3 answers
2. 764 views
What are the molecular and net ionic equations for potassium chloride + ammonium phosphate
1. 0 answers
2. 669 views
How many number of ions of each type are present in the following aqueous solution?113 mL of .490 M aluminum chloride.
1. 2 answers
2. 395 views
12r-4r=48What is r?
1. 1 answer
2. 372 views
construct-angle-f-so-that-m-angle-f-equals-2-m-angle-c
1. 1 answer
2. 1,428 views
Two cars are initially moving at constant speeds of 50 m/s (first car) and 30 m/s(second car) along a straight track with the
1. 0 answers
2. 585 views
Two students are on a balcony 24.9 m above the street. One student throws a ball, b1, vertically downward at 19.6 m/s. At the
1. 1 answer
2. 641 views
What is the magnitude of the apparent weight of a 76 astronaut 3200 from the center of the Earth's Moon in a space vehicle
1. 0 answers
2. 521 views
How many moles of Io3 are present in a 100mL solution containing 1.390g of KIO3
1. 1 answer
2. 507 views
How many moles of Io3 are present in a 100mL solution containing 1.390g of KIO3
1. 0 answers
2. 426 views
What is the mass of 1.2 grams of oxygen if it occupies a volume of 500 cubic centimeters at s.t.p?
1. 1 answer
2. 471 views
what are the dimentions of cultural diversity?
1. 1 answer
2. 452 views
Pure gold has a density of 19.32 g/cm3.How large would a piece of gold be if it had a mass of 483 g?
1. 0 answers
2. 1,100 views
The scores on the final exam in a course have approximately a bell-shaped distribution. The mean score was 72, the highest score
1. 2 answers
2. 1,399 views
Triangle T has vertices A(-9, 10)B(1,0)and C(5,4). Points A, B, and P(also on th xy plane) form a triangle that is congruent to
1. 0 answers
2. 547 views
Triangle T has vertices A(-9, 10)B(1,0)and C(5,4). Points A, B, and P(also on th xy plane) form a triangle that is congruent to
1. 1 answer
2. 537 views
How do you calculate the gravity of an object?equation needed h=1/2 gt^2 Solve the equation for g; g=2h/t^2 Set height is 2
1. 1 answer
2. 525 views
Simpson drives his car with an average velocity of 48.0 km/h to the east. How long will it take him to drive 144 km on a
1. 1 answer
2. 639 views
It take you 9.5 min to walk with an average velocity of 1.2 m/s to the north from the bus stop to the museum entrance. What is
1. 1 answer
2. 766 views
How many two block towers can you make from: 1 black block,1 red block, and 1 blue block? Please explain.
1. 3 answers
2. 948 views
I have a shirt, a skirt, a blouse and a pant. How many different outfits can I make?
1. 1 answer
2. 447 views
.4 equals how many hundreths?.07 equals how may thousandths? Do you just multiply the .4 by 100 and do you just multiply the .07
1. 1 answer
2. 214 views
Two tugboats are towing a ship. Each exerts a horizontal force of 5 tons and the angle between their towropes is 90°. What net
1. 2 answers
2. 998 views
You have been approached by the editor of gentlemen's magazine to carry ot a research study. The magazine has been unsuccessful
1. 1 answer
2. 932 views
A ferris wheel with a diameter of 100 feet rotates at a constant rate of 4 revolutions per minute. Let the center of the ferris
1. 1 answer
2. 1,947 views
T=6+20/n+2. Solve please
1. 1 answer
2. 700 views
Please factor X^2+3x+2
1. 1 answer
2. 237 views
How do I solve X^2+3x+2
1. 2 answers
2. 245 views
X^2+3x+2
1. 3 answers
2. 276 views
what is a proof of the pythagoarean theorem?
1. 2 answers
2. 368 views
What is Two capital letters printed in sequence
1. 2 answers
2. 440 views
M and N are the midpoints ofandrespectively.Using graph paper, repeat this process from the last problem using different
1. 3 answers
2. 614 views
Use the diagram below for the following question.P(2,1), Q(11,1), and R(8,7) M and N are the midpoints ofandrespectively. Find
1. 1 answer
2. 395 views
What is the wavelenght of a radio station operating at a frequency of 99.6 MHz?
1. 1 answer
2. 993 views
A certain shell is known to have a total of 16 orbitals, which shell is it?
1. 4 answers
2. 575 views
What is the speed of an argon atom that has a de Broglie wavelength of 5.2 pm?
1. 1 answer
2. 1,152 views
What is the mole fraction of H2 in a mixture with the total pressure of 800 torr when the partial pressure of H2 is 90 torr?
1. 1 answer
2. 3,568 views
In an experiment, 7.5 mol of a gas are held in a 3.5 L container at 39 c. What pressure does the gas exert if it is assumed to
1. 1 answer
2. 1,446 views
In an experiment, 25.0 ml of a gas with a pressure of 1. atm is contained in a balloon at 25.0 c. The Balloon is then cooled to
1. 1 answer
2. 1,140 views
What is the volume of a gas that exerts a pressure of 457 mm Hg, if it excerted a pressure of 250 atm when its volume was 25.0
1. 2 answers
2. 687 views
A Baloon is filled with 3.00 L of helium at a pressure of 765 Torr. What is the volume of the baloon at an altitude where the
1. 1 answer
2. 662 views
How many grams of HCl must be added to make 1 liter of a 2.0 M HCl solution
1. 1 answer
2. 1,168 views
100 grams of molten lead (600oC) is used to make musket balls. If the lead shot is allowed to cool to room temperature (21oC),
1. 2 answers
2. 1,987 views
find the second order derivative, rxy(x,y) for r(x,y)=xy/8x+5y
1. 0 answers
2. 366 views
Find the equation of the line given pair of points. (2,5) and (6,6)Y=?
1. 1 answer
2. 401 views
Find the partial derivative of the function with respect to each of the independent variables.f(x,y)=xe^2y
1. 1 answer
2. 482 views
(5y-4) squared simplified the answer is not 25ysquared+16
1. 1 answer
2. 355 views
(5y-4) squared simplified
1. 1 answer
2. 397 views
What does Hubble's law tell us?
1. 0 answers
2. 451 views
Electrons move at a speed of 4.4 104 m/s through a 6.0 10-2 T magnetic field which is perpendicular to their motion. Calculate
1. 0 answers
2. 453 views

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