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sara

Questions and answers by sara, page 7

Questions (1,013)

You are traveling in a car toward a hill at a speed of 40.8 mph. The car's horn emits sound waves of frequency 243 Hz, which
1. 13 answers
2. 655 views
You are traveling in a car toward a hill at a speed of 40.8 mph. The car's horn emits sound waves of frequency 243 Hz, which
1. 1 answer
2. 455 views
You are traveling in a car toward a hill at a speed of 40.8 mph. The car's horn emits sound waves of frequency 243 Hz, which
1. 4 answers
2. 518 views
how do you find beat frequency?
1. 1 answer
2. 330 views
why does 1/(n(n+1)) converges?
1. 1 answer
2. 281 views
NEED HELP WITH ONLY PART CTwo 135.1.0-W speakers, A and B, are separated by a distance D = 3.6 m. The speakers emit in-phase
1. 2 answers
2. 695 views
A half-open pipe is constructed to produce a fundamental frequency of 230 Hz when the air temperature is 17 °C. It is used in
1. 2 answers
2. 511 views
Imagine a 600 g of water at 70oC in a piston-cylinder device. Initially, the 9-kg, 13-cm diameter piston rests on two stops such
1. 1 answer
2. 510 views
A piston-cylinder device contains 100 g of ethylene gas initially at 27oC, 115 kPa. Ethylene is heated and the piston starts to
1. 1 answer
2. 493 views
A ball of circumference 71.5 cm and mass 640 g is forced to the bottom of a swimming pool and then released. After initially
1. 4 answers
2. 883 views
A child loses his balloon, which rises slowly into the sky. If the balloon is 13 cm in diameter when the child loses it, what is
1. 1 answer
2. 478 views
A mass M = 5 kg moves with an initial speed v = 3 on a level frictionless air track. The mass is initially a distance D = 0.250
1. 3 answers
2. 508 views
are compressive strength and brittle the same thing..if not then what is the difference?
1. 1 answer
2. 282 views
what is the difference between a nanocomposite and a nanotube?
1. 1 answer
2. 332 views
please give me an example of a nanocomposite material
1. 1 answer
2. 282 views
What volume (in mL) of an 8% w/v acetic acid solution would be needed to form 2.2 L of carbon dioxide gas at 25.2 degrees
1. 5 answers
2. 3,387 views
How many molecules in 8.221g PbO2?
1. 1 answer
2. 308 views
find the altitude of an equilateral triangle with side length twelve
1. 1 answer
2. 401 views
the base of an isoscels triangle is 4x long. the altitude to the base is 3x cm long. Find the length of one other side of the
1. 2 answers
2. 637 views
When only the front wheels of an automobile are on a platform scale, the scale balances at 7.8 kN; when only the rear wheels are
1. 1 answer
2. 495 views
When only the front wheels of an automobile are on a platform scale, the scale balances at 7.8 kN; when only the rear wheels are
1. 2 answers
2. 747 views
find lim x->0 3- sqrt x+9/-x
1. 2 answers
2. 735 views
i'm working on my senior project and i need some help i'm supposed to do some researches about my future career, however i
1. 7 answers
2. 503 views
Only need help with part c--answer for part a is 2.94 radians and for b it is 777 daysMars orbits the Sun at a mean distance of
1. 1 answer
2. 1,028 views
Only need help with part cMars orbits the Sun at a mean distance of 228 million km, in a period of 687 days. The Earth orbits at
1. 1 answer
2. 503 views
Only need help with part cMars orbits the Sun at a mean distance of 228 million km, in a period of 687 days. The Earth orbits at
1. 1 answer
2. 519 views
I need only part cMars orbits the Sun at a mean distance of 228 million km, in a period of 687 days. The Earth orbits at a mean
1. 1 answer
2. 879 views
I need only part cMars orbits the Sun at a mean distance of 228 million km, in a period of 687 days. The Earth orbits at a mean
1. 1 answer
2. 531 views
A particle is moving clockwise in a circle of radius 1.54 m. At a certain instant, the magnitude of its acceleration is a = 26.0
1. 5 answers
2. 1,171 views
Assume that the Earth is spherical and recall that latitudes range from 0° at the Equator to 90° N at the North Pole. Consider
1. 3 answers
2. 573 views
Assume that the Earth is spherical and recall that latitudes range from 0° at the Equator to 90° N at the North Pole. Consider
1. 3 answers
2. 701 views
A man with a mass of 50 kg stands up in a 66-kg canoe of length 4.0 m floating on water. He walks from a point 0.75 m from the
1. 4 answers
2. 1,336 views
A man with a mass of 52 kg stands up in a 66-kg canoe of length 4.0 m floating on water. He walks from a point 0.75 m from the
1. 3 answers
2. 780 views
Betty Bodycheck (mB = 50.2 kg, vB = 22.0 km/h in the positive x-direction) and Sally Slasher (mS = 45.2 kg, vS = 28.0 km/h in
1. 4 answers
2. 580 views
Betty Bodycheck (mB = 50 kg, vB = 22.0 km/h in the positive x-direction) and Sally Slasher (mS = 45.2 kg, vS = 28.0 km/h in the
1. 4 answers
2. 504 views
A billiard ball of mass 0.16 kg has a speed of 1.80 m/s and collides with the side of the billiard table at an angle of 34.6°.
1. 2 answers
2. 844 views
if diameter of the circle is 100 cm. and length of the arc forming the angle is 360 cm. Assume that the earth is a perfect
1. 1 answer
2. 510 views
what is the genre of the poem: tonight i can write by pablo neruda?
1. 2 answers
2. 1,133 views
Why don’t the narrator and the other man want to hold Edward for ransom? Is their motivation internal or external?in " Why,
1. 4 answers
2. 2,280 views
Solve for x: 2x=ex+1
1. 1 answer
2. 407 views
Put the function P=40(39)t in the form P0e^kt. When written in this form, you have:k= ? P0= ?
1. 2 answers
2. 682 views
I don't know if I'm typing it in wrong into my graphing calculator but I need to estimate the limits of sin(8 theta) / theta
1. 1 answer
2. 361 views
amanda weighs 3/4 as much as er ister. if amanda weighs 129 how musch does her sister weigh? how do you write the equation with
1. 4 answers
2. 792 views
The vertices of an isosceles triangle are A(3, 6), B(7, 2), and C(4, 3).What is the equation of the triangle's line of symmetry?
1. 2 answers
2. 1,014 views
marbles come in 10 different varieties and there are 15 marbles in a pack.how many packs must a person buy in order to be sure
1. 1 answer
2. 391 views
Calculate the height of a cylinder of maximum volume that can be cut from a cone of height 20 cm and base radius 80 cm ,please
1. 3 answers
2. 3,724 views
Michel wants to buy his mother handmade chocolates for Mothers Day. He has $15.oo to spend. The price of each chocolate is given
1. 7 answers
2. 2,866 views
A life insurance salesman sells on the average 3 life insurance policies per week. What type of this distribution is? (2 marks)L
1. 2 answers
2. 735 views
How many moles of NH3 are produced from 48.5 g of H2?
1. 2 answers
2. 823 views
How many grams of N2 are needed to react with 125g of H2?
1. 2 answers
2. 646 views
How many grams of NH3 can be made from 375g of N2?
1. 2 answers
2. 829 views
A water balloon was dropped from a high window and struck its target 1.1 seconds later. If the balloon left the person’s hand
1. 2 answers
2. 1,338 views
another way to afect the enzyme is lowering the pH of the solution. However, lactase is supposed to be able to work in the
1. 1 answer
2. 372 views
3 contributions of fancois rabelais
1. 1 answer
2. 342 views
line rs intersects line lm at p, angle rpl=x+y, lps=3x+2y, mps=3x-2y.solve for x and y find angle RPL, LPS, and MPS
1. 1 answer
2. 421 views
line MN is perpendicular to opIf the coordinates of M,N and O are (2,4), (-5,-8) , (-6,2) respectively, find the equation for
1. 3 answers
2. 1,140 views
what is the perimeter of triangleABC if the coordinattes of A,B and C are (3,7), (7,3) and (-2,5) respectively
1. 1 answer
2. 342 views
You have 250 mL of a 0.80 M solution of silver nitrate AgNO3 (169.87 g/mol) dissolved in water. How many grams of AgNO3 does the
1. 4 answers
2. 1,209 views
Bundle** Oranges/Week ** Total UtilityA 0 50 B 1 80 C 2 100 D 3 115 E 4 125 F 5 133 G 6 139 H 7 144 I 8 146 J 9 147 K 10 147 L
1. 1 answer
2. 494 views
Two cyclists, 36 miles apart, start riding toward each other at the same time. One cycles 2 times as fast as the other. If they
1. 4 answers
2. 4,559 views
need to know some examples for the nominative comparative and superlative of irregular words apart from good better best , bad
1. 2 answers
2. 504 views
what is a machine?
1. 1 answer
2. 286 views
Im doing a crossword and im stuck on the last one. the topic is immigration and urbanization.1. neighborhoods on the outskirts
1. 4 answers
2. 982 views
hey i need help in this questionIs there ever a time where american citizens disagreed with the way the government is handling
1. 3 answers
2. 466 views
What is 6% sales tax on $2.59
1. 4 answers
2. 626 views
A class of 25 students has 10 boys. Three boys have braces and 4 girls have braces.a) What is the ratio of boys with braces to
1. 4 answers
2. 936 views
how do you substitute these system of equations1.y=-3x-3 y=3x-3 2.y=4x-6 y=x thank you!
1. 3 answers
2. 371 views
what do you think are the top major events between 1850-1877? thanks
1. 3 answers
2. 353 views
sugar is one of the main sources of what for cells
1. 1 answer
2. 420 views
sugar is one of the main sources of what for cells
1. 1 answer
2. 313 views
I am having a hard time coming up with a theme for the book "Once upon a town"can someone help me?
1. 1 answer
2. 413 views
my question kind of has 2 parts. first off i am trying to put in order what i think are the 10 most important things that
1. 2 answers
2. 1,096 views
A movie theater seats 500 people. For any particular show, the amount of money the theater makes is a function m(n) of the
1. 4 answers
2. 4,088 views
I have a test tomorrow in US history that I am studying for. My teacher told us that on the test we will have to put 10 of the
1. 4 answers
2. 847 views
1.Once you have read about the major perspectives in psychology, identify any questions you have about these seven major
1. 3 answers
2. 1,232 views
what is the largest negative coterminal angle of -417?
1. 4 answers
2. 5,502 views
reasons why fables can be a negative thing on children?
1. 7 answers
2. 773 views
by signing an "assignment of benefits" statement , a patient is?
1. 3 answers
2. 389 views
by creating a committe on social welfare, the American Association of Labor Legislation helped to?
1. 1 answer
2. 477 views
pure hydrogen gas is burns gently, combining with the oxygen gas of the air to form water vapor
1. 2 answers
2. 722 views
which of the following best describes achid who has been abuseda]child eager to answer your questions. b]child more mature than
1. 2 answers
2. 572 views
which of the following is the best statement about children who are abuseda]they most often come from impoverised families.
1. 5 answers
2. 1,332 views
17. Which of the following statements is true in families where domestic violence occurs?A. The children are less likely to be
1. 2 answers
2. 928 views
3. Which of the following situations is a cultural influence on behavior?A. Mia is expected to baby-sit for her cousin as a
1. 3 answers
2. 628 views
8. Which of the following statements is true of joint physical custody?A. Joint physical custody isn't legal in most states. B.
1. 3 answers
2. 1,079 views
16. Which of the following sets of factors is most influential in contributing to violence?A. Child abuse and poor nutrition B.
1. 3 answers
2. 1,414 views
13. The stress factor which is likely to cause the most severe behavioral consequences for children isA. living in a stepfamily.
1. 4 answers
2. 592 views
15. Studies have demonstrated that "latchkey children"A. have no difficulty in caring for themselves. B. are at risk for
1. 4 answers
2. 1,477 views
8. Which of the following statements is true of joint physical custody?A. Joint physical custody isn't legal in most states. B.
1. 2 answers
2. 949 views
3. Which of the following situations is a cultural influence on behavior?A. Mia is expected to baby-sit for her cousin as a
1. 2 answers
2. 605 views
until recently, custody decisions were based almost solely on thea]gender of the parent. b]type of employment of the parent.
1. 3 answers
2. 683 views
when determining educational settings,learning challenged students are most often placed ina.resource rooms. b.the nurse's
1. 3 answers
2. 489 views
A diagnosis of mental retardation means that a childa.can't read or write at a funtional level. b.needs serious learning support
1. 3 answers
2. 676 views
when working with behaviour disordered children in the classroom,the teacher aide can modify behaviour bya.praising them when
1. 7 answers
2. 1,091 views
In a regular school, the mainstreaming/inclusion technique isa]used only with visually impaired students. b]often impossible
1. 4 answers
2. 656 views
In regular school,the mainstreaming/inclusion technique is?
1. 1 answer
2. 431 views
Calculate the equilibrium constant for 2CH3OH(l)+3O2(g)->2CO2(g)+4H2O(l)
1. 3 answers
2. 1,041 views
Jane and Kathy are playing a game of marbles. In each game the loser gives the other girl a marble. When they are finished Jane
1. 4 answers
2. 580 views
An airplane is 34 ground miles from the end of the runway and 6 miles high when it begins its approach to the airport. To the
1. 5 answers
2. 2,109 views
a 20 foot ladder leaning against a building makes and angle of 60 degrees with the ground. How far from the base of the building
1. 4 answers
2. 1,877 views

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