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Charlie
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Charlie
Questions (183)
Which best defines petro-economics?
a. a nation’s industrial output that stays consistent despite market turmoil b. the
9 answers
5,376 views
I wrote, "I like to swim in summer." My teacher marked it wrong and said it should read "I like to swim in THE summer." Can
1 answer
548 views
A 5.00 g sample of Al pellets (specific heat = .89 J/g degrees c) and a 10.00 g sample of Fe pellets (specific heat = .45 J/g
3 answers
701 views
A 5.00 g sample of Al pellets (specific heat = .89 J/g degrees c) and a 10.00 g sample of Fe pellets (specific heat = .45 J/g
3 answers
684 views
I was wondering could anyone help me with question 6 an page 302 of the Business Studies for households and enterprises Junior
1 answer
359 views
a bathtub can be filled by the hot and cold water pipes in four minutes and, when full, can be emptied by the waste pipe in five
2 answers
606 views
A 10,000N car comes to a bridge during a storm and finds the bridge washed out. The 650-N driver must get to the other side, so
5 answers
2,390 views
N2H4(g) + H2(g) 2 NH3(g) H1 = –1876 kJ
3 H2(g) + N2(g) 2 NH3(g) H2 = –922 kJ The H f for the formation of hydrazine: 2 H2(g)
1 answer
443 views
An engine is used to pull a train of two cars out of a mine. The floor slopes upward at an angle of 24o. Each car has a mass of
4 answers
1,297 views
Find a third-degree polynomial Q such that Q(1)=0, Q'(1)=0, Q''(1)=2, and Q'''(1)=12.
4 answers
1,119 views
Ice-hockey star Wayne Gretzky is skating at 12.7 m/s toward a defender, who in turn is skating at 5.39 m/s toward Gretzky.
4 answers
1,542 views
A movie stunt man (mass 82.3 kg) stands on a window ledge 5.69 m above the floor. Grabbing a rope attached to a chandelier, he
4 answers
1,763 views
You are stranded in the middle of a frozen pond, 825 m in diameter which is so slippery that your feet slide freely and don't
4 answers
1,096 views
A cannon shoots a shell straight up. It reaches its maximum height, 1,051 feet, and splits into two pieces, one weighing 2 lb
3 answers
917 views
A cannon shoots a shell straight up. It reaches its maximum height, 1,051 feet, and splits into two pieces, one weighing 2 lb
3 answers
616 views
A cannon shoots a shell straight up. It reaches its maximum height, 837 feet, and splits into two pieces, one weighing 2 lb and
4 answers
1,326 views
Suppose you are driving a car around in a circle of radius 157 ft, at a velocity which has the constant magnitude of 42 ft/s. A
2 answers
676 views
An object of mass 3.5x1023kg circles the earth and is attracted to it with a force whose magnitude is given be GMeM/r^2. If the
2 answers
511 views
An advertisement claims that a centrifuge can produce a radial acceleration of 3,524g at 4,608 rev/min. Calculate the required
3 answers
565 views
How do you convert money to pecent?
3 answers
404 views
The position of some object moving along the x-axis is observed to be x(t)=9cos(pi*t/3+pi/4) meters. Find the frequency.
2 answers
633 views
A spring of k=11 N/m has a block of mass 4 kg attached to it on a frictionless table. If the block is pulled a distance 0.15 m
1 answer
481 views
I'm struggling with this homework question...i have no idea how to set this up.
We start with a 33.50 mL aliquot of acetic acid
1 answer
423 views
How do you make a cumulative frequency table
5 answers
945 views
I posted another question accidentally as an answer to my question
1 answer
384 views
While her kid brother is on a wooden horse at the edge of a merry-go-round, Sheila rides her bicycle parallel to its edge. The
2 answers
978 views
Why do north facing slopes on mountains support glaciers today while south facing slopes do not?
2 answers
619 views
If Death Valley was located in an area with a lot of rainfall, how would the valley floor change? How would Death Valley change?
6 answers
631 views
How large a pressure increase (in ATM) must be applied to water if it is to be compressed in volume by 1%? The bulk modulus of
3 answers
1,122 views
How large a pressure increase (in ATM) must be applied to water if it is to be compressed in volume by 1%? The bulk modulus of
3 answers
1,457 views
My french teacher has asked us too gather us questions to ask our pen pals on a live link up. (webcam to each other) but, i
1 answer
487 views
What are the bony landmarks of the abdominopelvic cavity?
3 answers
1,263 views
I have to plot a graph of Pressure gradient vs average velocity (water in a pipe, I have all the data). I plan to put the
3 answers
377 views
What is cracking and reforming? For what purposes are either or both used by the petroleum industry
2 answers
807 views
Consider the following reaction:
2NiO (s)--> 2Ni(s) + 2O2 (g) If O2 is collected over water at 40.0 C and a total pressure of 752
5 answers
6,641 views
Uranium-235 can be separated from U-238 by fluorinating the uranium to form UF6 (which is a gas) and then taking advantage of
4 answers
4,298 views
The titration of 25.0 mL of an unknown concentration H2SO4 solution requires 83.6 mL of 0.12 M LiOH
solution. What is the
7 answers
20,165 views
The position of a 20 g oscillating mass is given by x(t) = (2.0 cm) cos(2t), where t is in seconds. Determine the following.
The
7 answers
883 views
What differences would you expect to see in a population made up of individuals whose chromosomes experience crossing-over
1 answer
712 views
I need to figure out what a deposit of 3500 a month, with 9 percent intrest compounded monthly, would be in 6 years. Any help
1 answer
457 views
I need to figure out what a deposit of 3500 a month, with 9 percent intrest compounded monthly, would be in 6 years. Any help
3 answers
554 views
Why is the CM of a 1.00m length of pipe at its midpoint, whereas this is not true for your arm or leg?
3 answers
452 views
If the angular quantities θ,ω,α were specified in terms of degrees rather than radians, how would the kinematics equations
3 answers
1,258 views
A 50 kg skater moving at 5 m/s over frictionless ice grabs a rope stretched out 10m from a post and perpendicular to her path.
2 answers
493 views
A box on a frictionless surface is pulled back a distance x into a spring with spring constant k and released. What is the
1 answer
379 views
A box on a frictionless horizontal surface is pulled by a tension of 42.4N directed at 45 degrees above the horizontal. what is
2 answers
610 views
Suppose you surveyed 50 students and 34 said that they approve of how the president is doing. Construct 90%, 95%, and 99%
1 answer
432 views
Hello all, how does the periodic table determine the type of bonding of compounds
Cheers Charlie.
1 answer
319 views
I have my results from a simple titration experiment (sodium carbonate against hydrochloric acid) Average titre of 53.27 cm3
1 answer
459 views
I conducted a simple titration experiment and i need to write how and why are the results reproducible can some one help me in
1 answer
483 views
A cylindrical container of radius 20 cm contains water of height of 3 m. Two meters down from the water level there is a hole of
1 answer
484 views
how much are plane tickets to:
india england
3 answers
331 views
You mix 1.00 L of 2.00 M BaCl2 with 1.00 L of 2.00 M AgNO3. What compounds remain in solution, and what are their
2 answers
494 views
Three students take equivalent stress tests. Which is the highest relative score?
a. A score of 144 on a test with a mean of 128
4 answers
1,172 views
Three students take equivalent stress tests. Which is the highest relative score?
a. A score of 144 on a test with a mean of 128
4 answers
1,898 views
What are the 5 things that every business needs to succeed?
1 answer
323 views
A(1,4), (6,8)
Round to the nearest tenth
1 answer
270 views
What percentage of the data falls outside 1 standard deviation of the mean?
2 answers
751 views
Give the following reaction,find the mass of oxygen required to produce 13grams of CO2; C3H8+5O2--->3CO2 + 4H2O
2 answers
935 views
A population of 200 voters contains 52 Republicans, 128 Democrats, and 20 independents and members of other parties. A simple
2 answers
549 views
The radius of the Earth is 6.38 x(10^6)m. How far (path length) does a point on the equator move if the Earth rotates...
a. 20
5 answers
1,130 views
What does KAPS mean in Math?
1 answer
279 views
If PT=3x-4 and QS=4x-3 how do I solve
1 answer
270 views
An operating log indicates that the average flow through a pump for ten hours is 285 gallons per minute. The following week, the
3 answers
507 views
The side of a lake has a uniform angle of elevation of 15 degrees 30 feet. How far up the side of the lake does the water rise
2 answers
641 views
A light spring having a force constant of 110 is used to pull a 15.0 sled on a horizontal frictionless ice rink. The sled has an
2 answers
518 views
Part of a single rectangular loop of wire with dimensions .35 m by .75 m (.35 is the height and .75 is the length) is situated
3 answers
574 views
Rank the species from strongest to weakest base:
Cl-, OH-,NH2
1 answer
694 views
Why B(CH3)3 cannot be Lewis Base??
2 answers
591 views
An EM wave has a wavelength of 620 nm.
What is its frequency? How would we classify it?
2 answers
944 views
An aquarium filled with water has flat glass sides whose index of refraction is 1.48. A beam of light from outside the aquarium
2 answers
596 views
An aquarium filled with water has flat glass sides whose index of refraction is 1.48. A beam of light from outside the aquarium
2 answers
687 views
A 50-kg person starts from rest at the top of a large frictionless spherical surface (radius 6 m) and slides into the water
1 answer
432 views
An actor in an action movie is supposed to jump up and catch a ring moving overhead which will carry him to safety. The ring is
1 answer
421 views
A 10 kg monkey wishes to climb a 7.15-meter high vine. The vine will break if the tension exceeds 110 N. The monkey starts from
2 answers
559 views
A 3.0 m beam with mass 50.0 kg is attached to a wall with a hinge. A rope is connected to the middle of the beam and the wall
1 answer
1,071 views
A special pulley has two discs with radii R1 = .8 m and R2 = .35 m. A rope from the R2 disc connects the pulley to a wall and a
2 answers
551 views
A merry-go-round with r = 4m and a perfect frictionless bearing is pushed with a force of 24 N by a young girl. She pushes with
3 answers
731 views
Foundations Of A Healthy Lifestyle PF
answers.
2 answers
1,008 views
B is between A and C. Solve for x, if AB=2x+6, BC=4x-3, and AC=5x+12
2 answers
695 views
In a titration of 35.00 mL of 0.737 M S, __________ mL of a 0.827 M KOH solution is required for neutralization.
4 answers
1,310 views
In a titration of 35.00 mL of 0.737 M S, __________ mL of a 0.827 M KOH solution is required for neutralization.
2 answers
626 views
For y= 2x squared + x - 1 the x-intercepts and the turning point respectively are?
2 answers
780 views
lim (2Q^(2)+5)/(q+2)
q->2 lim |y+3| y->-3
1 answer
263 views
An unknown solution may contain one of the ions of the pair below. Devise a test which allows you to distinguish between the
2 answers
693 views
The crate, m=68kg, is pushed up an incline, θ=24degrees, at a constant velocity with Fp=500N. μk=?
1 answer
324 views
Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°.
4 answers
2,145 views
A 12 foot ladder leans against a building. The top of the ladder leans against the wall 10.5 feet from the ground. What is the
6 answers
5,631 views
Calculate Kp at 298K for the reaction SO2 + NO2--->SO3 + NO
3 answers
1,020 views
I am an even two digit number. I have the same digit in my ones place and my tens place. The sum of my digits is 8. The product
1 answer
315 views
How does Kurt Vonnegut address the concept of equality differently in “Harrison Bergeron” than Martin Luther King Jr. does
3 answers
746 views
A. Derive the distance formula (d) shown below for points A = (x1, y1) and B = (x2, y2).
2 2 1 2 2 1 d = (x − x ) + ( y − y )
1 answer
413 views
A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account
1 answer
437 views
A 1.13 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are
4 answers
1,850 views
A 1000 kg car rounds a curve of radius 70 m banked at an angle of 12°. What is the magnitude of the friction force required for
4 answers
754 views
A production crew is assembling a three-level platform inside a stadium for a performance. The platform has the dimensions of 4x
4 answers
asked by
Charlie
2,333 views
A hockey puck is hit on a frozen lake and starts moving with a speed of 12.2 m/s. Ex- actly 6.70 s later, its speed is 6.20 m/s.
2 answers
515 views
A trough is 15 ft long and 4 ft across the top, as shown in the figure. Its ends are isosceles triangles with height 3 ft. Water
4 answers
7,461 views
The drag, D, on a sphere located in a pipe flow through which a fluid is flowing to be determined experimentally. Assume that
5 answers
2,180 views
In a recent year, 16.3% of all registered doctors were female. If there were 47,600 female registered doctors that year, what
7 answers
2,106 views
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