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if y=2x^5
1. 1 answer
2. 140 views
A boxcar of mass 250 tons at rest becomes uncoupled on a 4.0° grade. If the track is considered to be frictionless, what speed
1. 1 answer
2. 878 views
Elle is 6 years younger than Felicia. Marta is twice as old as Felicia. If Marta is w years old,a) find the age difference
1. 3 answers
2. 2,416 views
A pair of fruit flies reproduces and has 1,000 offspring. All 1,000 offspring have the alleles Gg. What is the most likely
1. 9 answers
2. 2,378 views
If a ball is hit with an initial velocity of 110 feet per second at an angle of 45 degrees from an initial height of 2 feet, how
1. 1 answer
2. 698 views
Determine the ionization energy required to extract the electron totally out of a hydrogen atom, and put it at rest
1. 0 answers
2. 470 views
The index of refraction of water for a given monochromatic light in water is n=4/3. The wavelength of this light in water is
1. 0 answers
2. 553 views
The index of refraction of water for a given monochromatic light in water is n=4/3. The wavelength of this light in water is
1. 0 answers
2. 549 views
In a club 15 members choose from them a president , secretary and a treasurer. How many different states of candidates can be
1. 3 answers
2. 905 views
you have 6 marbles each of a different color . In how many ways can they be arranged in a row?
1. 1 answer
2. 463 views
The label of a bottle containing a solution So of hydrochloric acid carries the following indications :hydrochloric acid of
1. 0 answers
2. 545 views
One has a solution Sa of ethanoic acid of concentration Ca=1×10^-2 mol/l and pH=3.4 One mixes a volume Va=60ml of the solution
1. 0 answers
2. 472 views
One has a solution Sa of ethanoic acid of concentration Ca=1×10^-2 mol/l and pH=3.4One mixes a volume Va=60ml of the solution
1. 0 answers
2. 462 views
The label of a bottle containing a solution So of hydrochloric acid carries the following indications :hydrochloric acid of
1. 0 answers
2. 670 views
A train travelling at 30km/h stops when it's brakes are applied. The train suffers a deceleration our 2m/s.@. How long does the
1. 2 answers
2. 843 views
In the circuit we have E=48V, R=6 ohm and L=4H. We close the switch at the instant t=0, the current I in the circuit grows from
1. 2 answers
2. 548 views
The self induced e.m.f created in a coil has the value of 24mV at the instant when the current is 4A and varies at the rate of
1. 0 answers
2. 427 views
For the equilibrium:H2 + I2 <=> 2HI The equilibrium konstant Kc is equal to 50.5 at 448ºC. If [H2]o=[I2] o= 1 mol/l. What will
1. 1 answer
2. 569 views
The characteristics of a horizontal and undamped spring-block system are k=400N/m and M=0.3kg.The position of the block is
1. 0 answers
2. 532 views
what is the type of catalyst that corresponds the use of the platinum wire
1. 1 answer
2. 353 views
A semi circular rail of horizontal diameter AB=2R is placed in a vertical plane. Two particles S1 and S2 of respective masses m1
1. 3 answers
2. 822 views
A rope of mass M uniformly distributed along its length L ,can slide without friction on a horizontal table. At instant to=0 the
1. 1 answer
2. 704 views
A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of
1. 0 answers
2. 651 views
we launched a solid of mass m on an inclined slide. The natural length of the spring is Lo. Before launching, the spring is
1. 2 answers
2. 680 views
A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of
1. 2 answers
2. 976 views
Two particles A and B of respective masses M(B) and M(A) are connected together by means of an inextensible string of negligible
1. 1 answer
2. 621 views
A particle C can move along a slide placed in a vertical plane. Points A and B are at the same horizontal level. Determine with
1. 0 answers
2. 609 views
How much talk time if call costs 36 cents a minute and i have 30 dollars?
1. 1 answer
2. 463 views
How could you prepare:a ) 2-chloropropane from 2-propanol? b) 2-butanone from 2-butanol? c) ethyl acetate CH3COOC2H5 from
1. 0 answers
2. 673 views
Let f be the function defined on {-3, 1} by f (x)= (x+1)/x^2+ax+b and (C) its representative curve in an orthonormal system .Kno
1. 0 answers
2. 443 views
In a first semester unit there are four tests each of equal weight i.e. each worth 25%. Your average on the first three tests
1. 2 answers
2. 1,644 views
The magnetic field strength along the axis (x'ox) of a solenoid is measured ( o being the center of the solenoid). The adjacent
1. 0 answers
2. 628 views
A proton is moving in vacuum along a straight path from A to B .It passes point A at the speed of 2000km/s.a)Calculate in J and
1. 0 answers
2. 505 views
A proton is moving in vacuum along a straight path from A to B .It passes point A at the speed of 2000km/s.a)Calculate in J and
1. 0 answers
2. 401 views
An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having
1. 1 answer
2. 626 views
An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having
1. 0 answers
2. 483 views
Consider an isomeric mixture of alkenes of molar mass M=70g/mol.Determine the molecular formula of the alkenes.
1. 1 answer
2. 499 views
Two point charges q and q' are placed respectively at two points A and B. Let O be the midpoint of [AB]. Charge q placed at A
1. 1 answer
2. 696 views
Two point charges q and q' are placed respectively at two points A and B. Let O be the midpoint of [AB]. Charge q placed at A
1. 0 answers
2. 585 views
Two point charges q and q' are placed respectively at two points A and B. Let O be the midpoint of [AB].Charge q placed at A
1. 1 answer
2. 581 views
Multiple choice (show your work if any): 1) Two point charges q1=-10^-5 C and q2=-9×10^-5 C are placed respectively at two
1. 1 answer
2. 519 views
Multiple choice (show your work if any): 1) Two point charges q1=-10^-5 C and q2=-9×10^-5 C are placed respectively at two
1. 0 answers
2. 612 views
Multiple choice (show your work if any): 1) Two point charges q1=-10^-5 C and q2=-9×10^-5 C are placed respectively at two
1. 2 answers
2. 676 views
Multiple choice (show your work if any):1) Two point charges q1=-10^-5 C and q2=-9×10^-5 C are placed respectively at two
1. 1 answer
2. 532 views
The analysis of halogenated hydrocarbon gave the following results:A sample of mass m=255mg produces 273.7 mg carbon dioxide and
1. 1 answer
2. 1,189 views
25ml of 0.01M KIO3 solution were put to react with an excess of KI. 32.04ml of the sodium thiosulfate solution were needed to
1. 1 answer
2. 755 views
A disk is free to rotate around its fixed axis of revolution (delta). The moment of inertia of disk around delta is J=4×10^-2
1. 1 answer
2. 549 views
A solution of thiosulfate ions has been prepared by dissolving 4.5g of Na2S2O3.5H2O in 250 ml of solution.Calculate the
1. 1 answer
2. 1,103 views
How do i go about writing an essay whose topic is "Sports- General, types of fans and influence on culture?"It is under
1. 1 answer
2. 507 views
a vehicle is accelerating on a straight road. Its velocity at any instant is 30 km/hr, after 2 s, it is 33.6 km/hr and after
1. 7 answers
2. 2,128 views
Consider the following neutralisation reaction:2 H3PO4(aq) + 3 Ca(OH)2 (aq) → Ca3(PO4)2 + 6 H2O Determine the volume of 0.75 M
1. 1 answer
2. 846 views
9. We shouldn’t take a chance on this new candidate. She’s from Alamo Polytech, and the last person we hired from there was
1. 1 answer
2. 1,022 views
calculate , in newtons correct to the nearest unit, the force necessary to maintain a body of mass 2kg in uniform angular speed
1. 0 answers
2. 407 views
calculate,in terms of weight of 1kg, the force necessary to maintain a body of mass 147kg in uniform speed of 10m/s in a circle
1. 0 answers
2. 358 views
4x^2+11x-69=0 Find the solution to use a comma to separate the answers as needed.X^2+11x What is the constant term?(Integer or
1. 1 answer
2. 543 views
explain why a precipitate forms when silver nitrate solution is added to sodium chloride solution?
1. 2 answers
2. 731 views
if x+1 is a factor of x^3-2x^2+5x+c, find the value of c.
1. 1 answer
2. 610 views
find the value of k such that when 2x^3+9x^2+kx-15 is divided by x+5, the remainder is 0.
1. 3 answers
2. 1,221 views
need to find the quotient and remainder.x^3+x^2y-9xy^2-9y^3 / x+y
1. 1 answer
2. 553 views
Ways in which the human or environmenta l problem impact on the community
1. 1 answer
2. 363 views
A rectangular container measuring 16cm times 46cm times 67 cm is filled with water what is the mass of this volume of water in
1. 1 answer
2. 602 views
i need a arostic poem on w e g e n e r and h e s s
1. 1 answer
2. 329 views
A helicopter is ascending vertically with a speed of 5.20 m/s. At a height of 120 m above the Earth, a package is dropped from a
1. 2 answers
2. 574 views
i am looking for the main topic in this paragraph would it beIn society today more and more people are making the wrong choices
1. 1 answer
2. 625 views
While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 275 m east, 215 m at
1. 1 answer
2. 754 views
I am having trouble anwering the following problem:The test scores from Mrs. Gray's math class are shown below. 72, 73, 66, 71,
1. 1 answer
2. 646 views
I am having trouble anwering the following problem:The test scores from Mrs. Gray's math class are shown below. 72, 73, 66, 71,
1. 3 answers
2. 865 views
Write a 1,050- to 1,400-word research paper identifying the linguistic, political, social,economic, religious, and familial
1. 2 answers
2. 643 views
Steps1. Complete the assigned readings for this unit. 2. Read the article found at the website provided in Materials below. 3.
1. 1 answer
2. 621 views
PLEASE COULD SOMEONE TELL ME WHAT A SCREEN SHOT IS IN ICTTHANKS
1. 2 answers
2. 541 views
Translate ...using the imperfect passive tense about the things I enjoyed when I was younger. Mark any accent or other marks.I
1. 1 answer
2. 490 views
...using the imperfect passive tense about the things I enjoyed when I was younger. Mark any accent or other marks.I was holding
1. 1 answer
2. 600 views
name at lease 5 important event that took place in the history of texas.(NOTE: historical events are important things that
1. 0 answers
2. 618 views
what is texas important important service industriesI don't know what you mean by "important". Major employers of service type
1. 0 answers
2. 574 views
what is texas important land formI don't know what you mean by "important" The Texas coastal plain, the Hill country, the
1. 1 answer
2. 639 views

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