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Emily

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A chemist mixes two liquids A and B to form a homogeneous mixture. The densities of the liquids are 2.0514 g/mL for A and 2.6678
1. 1 answer
2. 3,436 views
A bullet of 10g enters a target at 100 ms-1 and leaves it 0.01 s later. Calculate:i. The rate of change of momentum of the
1. 1 answer
2. 665 views
A bullet of 10g enters a target at 100 ms-1 and leaves it 0.01 s later. Calculate:i. The rate of change of momentum of the
1. 0 answers
2. 504 views
Which sentence BEST combines the ideas shown below?(I put an arrow on the one I think the answer is) --->A.The football player
1. 2 answers
2. 1,431 views
Find an equation for the line satisfying the given conditions.Through (3, 3) and parallel to 4x - 3y = 6.y=?
1. 3 answers
2. 664 views
A bicycle has a speed of 7.5m/s at 4.3sec and a constant acceleration of 2.6m/s^2. the bicycle is at the origin (on the positive
1. 0 answers
2. 668 views
A bicycle has a speed of 7.5m/s at 4.3sec and a constant acceleration of 2.6m/s^2. the bicycle is at the origin (on the positive
1. 1 answer
2. 471 views
In deep space (no gravity), the bolt (arrow) of a crossbow accelerates at 187m/s^2 and attains a speed of 114m/s when it leaves
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2. 717 views
A body moving with uniform acceleration has a velocity of 11.1cm/s when it's coordinate is 3.59cm. If it's x coordinate 2.48sec
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2. 560 views
A partly-full paint can has 0.83 U.S. gallons of paint left in it. (a) What is the volume of the paint, in cubic meters? (b) If
1. 2 answers
2. 2,905 views
the ph of a 0.280m solution of a weak base. B has been measured ph --8.69. using this information. calculate the base
1. 0 answers
2. 878 views
Find all the values of x in the interval [0,2π] that satisfy the equation: 8sin(2x)=8cos(x)
1. 5 answers
2. 4,675 views
9x+y is less than or equal to 17009x+3y is less than or equal to 1800 4x+8y is less than or equal to 2400 ***I need help
1. 0 answers
2. 411 views
Solve for t using natural logarithms.7e^3t = 10e^2t
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2. 375 views
The quantity demanded each month of Russo Expresso Makers is 250 when the unit price is $136.oo. The quantity demanded each
1. 1 answer
2. 1,122 views
A ping pong ball is rolling across a table at 22 cm/s. When the ball is 78 m away from the edge your little brother starts to
1. 0 answers
2. 468 views
Assume that there are 17 boardmembers: 9 females, and 8 males including Carl. There are 4 tasks to be assigned. What is the
1. 1 answer
2. 1,649 views
Help with any of these:21. Aluminium sulphate is often used by gardeners to acidify soil and can be produced by the reaction
1. 1 answer
2. 1,013 views
An attacker at the base of a castle wall 3.82 m high throws a rock straight up with speed 7.10 m/s from a height of 1.45 m above
1. 2 answers
2. 1,388 views
A movie theater has fixed costs of $5,500 per day and variable costs averaging $2 per customer. The theater charges $7 per
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2. 1,690 views
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.30 m/s. The car is a
1. 0 answers
2. 437 views
A pellet gun is fired straight downward from the edge of a cliff that is 28.5 m above the ground. The pellet strikes the ground
1. 1 answer
2. 529 views
A woman on a bridge 84.7 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an
1. 0 answers
2. 764 views
I need to solve this set of differential equations {y'+(t/2)1, y(0)=1} and then find the limiting value as t approaches
1. 0 answers
2. 533 views
A heavy piece of equipment(85kg) is being moved by elevator between floors in a building. Two identical small cranes are used. A
1. 0 answers
2. 545 views
For my DT homework I need to do a health and safety poster on a Pillar Drill. I need to find health and safety facts on a Pillar
1. 1 answer
2. 1,179 views
You are driving down the road at a constant speed. another car going a bit faster catches up with you and passes you. draw a
1. 1 answer
2. 2,274 views
A viking sails from his home port and travels east at 15km/hr.after 10 hours, the wind change and he is blown south west at
1. 2 answers
2. 533 views
A landing craft of mass 12000 kg prepare itself for moon landing. when at a vertical distance 160m above the moons surface its
1. 1 answer
2. 725 views
A simple model for a person running a 100m race is to assume the sprinter runs with constant acceleration until reaching top
1. 2 answers
2. 14,135 views
Sulfuric acid (H2SO4) is prepared commercially from elemental sulfur using the contact process. In a typical sequence of
1. 1 answer
2. 909 views
A 12.8 g sample of iron ore is treated asfollows. The iron in the sample is all converted by a series of chemical reactions to
1. 1 answer
2. 460 views
I need help with this like really badly sooo yeahhhh:)here it is: Hugo withdrew some money from his bank account. He spent one
1. 4 answers
2. 1,630 views
Given a = 5, b=1, x=10, and y =5, create aprogram that outputs the result of the formula f = (a b)(x y) using a single printf()
1. 1 answer
2. 676 views
1.) A security code has seven characters. Each code begins with two digits, then two letters, and finally three digits. the
1. 1 answer
2. 1,317 views
Car 1 has a mass of m1 = 65 103 kg and moves at a velocity of v01 = +0.76 m/s. Car 2, with a mass of m2 = 92 103 kg and a
1. 5 answers
2. 668 views
Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 58.0 N and F2 = 26.5
1. 1 answer
2. 797 views
The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply
1. 2 answers
2. 832 views
In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 36
1. 1 answer
2. 590 views
A person with a black belt in karate has a fist that has a mass of 0.70 kg. Starting from rest, this fist attains a velocity of
1. 2 answers
2. 1,327 views
A cube of wood and a cube of concrete, each 0.17 m on a side, are placed side by side. One of the long faces of the rectangular
1. 1 answer
2. 541 views
A cube of wood and a cube of concrete, each 0.17 m on a side, are placed side by side. One of the long faces of the rectangular
1. 0 answers
2. 463 views
The math club of Ritzy High designed a pennant for the school yacht. The pennant was in the shape of an isosceles triangle. Two
1. 2 answers
2. 1,461 views
How fast would a 9-g fly have to be traveling to slow a 1790-kg car traveling at 58 mph by 4 mph if the fly hit the car in a
1. 2 answers
2. 461 views
A spherical mirror has a focal length of −0.59 m. An object of height 0.045 m is located 0.42 m in front of the mirror. What
1. 1 answer
2. 427 views
What are the exact values for which tan t = -(sqrt3)
1. 2 answers
2. 408 views
A 1.4 kg mass is attached to a spring with a force constant of 56 N/m. If the mass is released with a speed of 0.26 m/s at a
1. 0 answers
2. 343 views
A bond between two sugar molecules is formed by which of the following types of reactions?oxidation-reduction condensation
1. 1 answer
2. 1,017 views
What can you say about the energy spread of the radiation emitted by an atomic gas?
1. 1 answer
2. 715 views
Based on the spectrum of the fluorescent lamp, what is the main difference between the radiation emitted by a heated solid
1. 1 answer
2. 1,694 views
1. Describe the relationship between the color change of the filament with temperature, and the colors in the observed spectrum
1. 2 answers
2. 1,740 views
Find the position vector of a particle that has the given acceleration and the specified initial velocity and position.a(t)= 56t
1. 1 answer
2. 680 views
Explain why the Chartres Cathedral both is and isn't an example of the "High Gothic" style. Be sure to reference specific pieces
1. 0 answers
2. 894 views
From what Greek philosopher did Abbot Suger draw inspiration?.Aristotle .Socrates .Pythagoros .Pseudo-Dyonysius
1. 3 answers
2. 504 views
What is another name for Gherardo Starnina?.Master of Bambino Vespo .Gentile da Fabriano .Duccio Buoninsegna .Giotto Bondone
1. 2 answers
2. 379 views
A 55.0-mg sample of Al(OH)3 is reacted with 0.200M HCl. How many milliters of the acid are needed to neutralize the Al(OH)3.
1. 2 answers
2. 1,499 views
What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 mL of 0.75M
1. 1 answer
2. 1,075 views
What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 mL of 0.75M
1. 2 answers
2. 1,774 views
Find the annual amount of FICA at a 7.51% rate by computing his annual salary.Sam Takagi Weekly salary: $435.16 Not
1. 0 answers
2. 1,001 views
A sample of ammonium salt (NH4X) having a mass of 1.618g was heated with NaOH and the liberated ammonia was reacted with 50.00
1. 1 answer
2. 961 views
I need help with this question!!a sample of pure KHP weighing .8097g dissolved in water and titrated with 40.25 mL of NaOH
1. 3 answers
2. 971 views
When all the portions of an artwork are combined and seem to function collaboratively, the composition is said to have?
1. 3 answers
2. 379 views
Who did the Santa Fe Trail get estblaished for?
1. 3 answers
2. 455 views
Which pair of compounds will form a solution?A) Benzene (C6H6) and Hexane (C6H14) B) Na2SO4 and Benzene C) NaCl and Hexane
1. 3 answers
2. 3,359 views
Kevin opened a bank account and plans to deposit $200 each month. Each time he makes a deposit, his parents have agreed to add
1. 2 answers
2. 592 views
Youtube - The Maccabeats - Candlelight - HanukkahPlease watch the video above and tell me a piece of Catholic wisdom about a
1. 0 answers
2. 436 views
How many kilocal are required to increase the temperature of 15.6 g of iron from 122 °C to 355 °C? The specific heat of iron
1. 4 answers
2. 1,717 views
The decomposition of potassium chlorate, KClO3, gives oxygen gas and solid potassium chloride. How many grams of KClO3 are
1. 1 answer
2. 1,501 views
in an impulse/ change in momentum problem where mv(final)-mv(initial)=Ft if the initial velocity is zero can i cancel out the
1. 0 answers
2. 371 views
What are the correct practices for measuring and managing heat dissipation in electronic devices to prevent overheating?
1. 0 answers
2. 135 views
write the particular equation of a quartic function that could, according to Descartes Rule of Signs have four positive zeros.
1. 0 answers
2. 446 views
You are trying to raise a bicycle wheel of mass m and radius R up over a curb of height h. To do this you apply a horizontal
1. 1 answer
2. 2,349 views
How does Le Chatelier's principle explain the result you obtained after the addition of NaOH?
1. 1 answer
2. 1,010 views
cos(sin^-1 x)=sq rt(1-x^2)prove the identity
1. 1 answer
2. 754 views
Give the following for the function: y=2+cos(5x+3.14Amplitude: Period: Phase Shift:
1. 2 answers
2. 725 views
A 7.25 inch circular saw blade rotates at 5200 revolutions per minute.a) Find the angular speed of the saw blade in radians per
1. 1 answer
2. 2,587 views
At Jefferson College 15% of all students participate in athletics. If a class consists of 33 randomly selected students, how
1. 2 answers
2. 463 views
A carousel with a 50-foot diameter makes 4 revolutions per minute.a) Find the angular speed of the carousel in radians per
1. 2 answers
2. 3,945 views
At the Starlight Jewelry store, the customer preferences for wedding bands is 60% yellow gold, 29% white gold and 11% platinum.
1. 1 answer
2. 437 views
A es004-1.jpginch circular saw blade rotates at 5200 revolutions per minute.a) Find the angular speed of the saw blade in
1. 1 answer
2. 994 views
A ferris wheel at the fair has a radius of 60 feet. If it takes 24 seconds to make a full revolution, what is the linear speed
1. 1 answer
2. 1,387 views
Calculation in grams for a .100 M solution of NaC2H3O2 * 3H2O using a 100 mL volumetric flask?
1. 1 answer
2. 513 views
A mass of .27 kg is attached to a spring and is set into vibration with a period of .39s.what is the spring?
1. 1 answer
2. 463 views
Solid ammonium nitrate can decompose to dinitrogen oxide gas and liquid water. What is delta G at 298K?
1. 2 answers
2. 739 views
If threr are a total of 20 students in Bibi's class, how many boys are in the class? How manygirls are in the class?
1. 1 answer
2. 441 views
What does it mean when it says Variance of Stride Length with Speed?? Do you add the Variance of both individually together?
1. 1 answer
2. 378 views
I feel as though I am missing something here...Suppose a family wants to have 3 children. Find the probability that the family
1. 1 answer
2. 449 views
I feel as though I am missing something here...Suppose a family wants to have 3 children. Find the probability that the family
1. 0 answers
2. 437 views
Did the Emperor of Qon's efforts to unite China make him an effective ruler?Is the answer very ineffective or very effectve?
1. 1 answer
2. 936 views
I forget how do you do this problem?-y < -x-2
1. 1 answer
2. 289 views
A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure. The length of
1. 1 answer
2. 3,497 views
Show that the equation x^4 + 4x + c = 0 has at most two real roots.I believe we're supposed to prove this by proof of
1. 0 answers
2. 1,004 views
A pebble is tossed from the top of a cliff. The pebble's height in feet is given by y(t) = -16t2 + 6t + 200, where t is the time
1. 1 answer
2. 1,098 views
Sketch the graph of f by hand and use your sketch to find the absolute and local maximum and minimum values of f.18. f(x) = 1/x
1. 1 answer
2. 1,677 views
If there are initially 1500 bacteria in a culture, and the number of bacteria double each hour, the number of bacteria after t
1. 1 answer
2. 3,103 views
i need help doing these type problems.... example3 1/3- 2 1/2=
1. 2 answers
2. 304 views
Analyze the changes in global commerce between 1750 and 1900 due to changes in technology, communication, and economic theory.
1. 1 answer
2. 1,040 views
I have 432 cards that are three and a half inches long if I put them end to end how many feet long is the line of cards
1. 2 answers
2. 448 views
Find the derivative of y = ln |cos(ln)|.I got -tan(ln x)/x, is this correct?
1. 2 answers
2. 391 views
if a force of 163 newtons is applied to the end of the jack handle the end moves down 15 cm. If lifting part of the jac raises
1. 0 answers
2. 447 views

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