physics please HELP !
130,011 results, page 91

Math
These problems I really don't understand and really need serious help :) 1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please express your answer in scientific notation) 16.32 x 10^6 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2.What is the product of (7.28 x 10^2)x(9.1 x 10... 
Algerbra
These problems I really don't understand and really need serious help :) 1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please express your answer in scientific notation) 16.32 x 10^6 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2.What is the product of (7.28 x 10^2)x(9.1 x 10... 
math
These problems I really don't understand and really need serious help :) 1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please express your answer in scientific notation) 16.32 x 10^6 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2.What is the product of (7.28 x 10^2)x(9.1 x 10... 
math
These problems I really don't understand and really need serious help :) 1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please express your answer in scientific notation) 16.32 x 10^6 .... 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2.What is the product of (7.28 x 10^2)x(9.1 ... 
Math
Half of a pizza was broccoli and half was mushroom. George ate 2/3 of the broccoli and 1/4 of thee mushroom part. How much of the pizza did he eat? I did this problem but I wasn't sure of my answer so I needed someone to see if I am right or not. My answer is 1/6 and I got ... 
english
In my examination, I come across following one word substitutes. I know some of the answers which I have written below. please help me to write other answers. 1. accept as heir (adopt) 2. ability to endure 3. able to live bothe on land and in water(amphibian) 4. approved by ... 
physics question
The sum of the emfs and potential difference around a closed loop equals zero" is a consequence of: a) Newton's third law b) Ohm's law c) Newton's second law d) conservation of energy e) conservation of charge For this question: I had picked d conservation of energy but now I ... 
physics
from what height should you drop your physics textbook so that it takes 0.2 seconds for it to fall? ftom what height would you drop a baseball so it takes 0.2 seconds for it to fall? 
Physics. Help Please
Gabriele enters an eastw straight bike path at the 3.0km mark and rides w at a constant speed of 8.0 m/s. At the same time, Xena rides east from the1.0km mark at a constant speed of 6.0 m/s. 1. Write function x(t) that describe the position of Gabriele as a function of time... 
English 101
Is this memo correct (semicolon) in right sentence and time/date correct? Thanks! There were no punctuations at all when we were given this. We are going to make a few changes in the health plan we now offer; The Economy Plan and the Standard Plan—both of these will be ... 
can someone please help me?
simplify the following expressions involving complex numbers. (3+2i)(7i) 10 + 3i how did you do that? can you show me this one and explain how this time? (3+2i)(7i) or even (32i)^2 you would do 3+2i=5i, then 7i=7i then 5i+7i=12i (3+2i)(7i) = (3+2i) + (7 + i) = 3 + 7... 
HISTORY
I need to write an essay, and I would appreciate if you would not send me to links, please. Here is the question: Write an article explaining how the United States’ containment policy affected one major aspect of the Cold War (Truman Doctrine, Marshall Plan, Restructuring of... 
Biology
How can I describe the following things about water in sketches or drawings? please give me ideas 1.High heat capacity 2.High heat of vaporization 3.Water is a solvent 4.Water molecules are cohesive and adhesive 5. Frozen water is less dense than liquid water 6. Water has a ... 
Physics
This is for physics class. Sally applies 32 N of force at an angle of 22 degrees above the horizontal to a 12 kg crate. Ignoring friction, calculate the horizontal acceleration of the crate? Conceptual: will the acceleration of the crate increase or decrease if the same force ... 
Chemistry
I need to calculate the molecular mass of ehtylene glycol based on the freezing point depression. The teacher said that for glycol i=1 and to use the equation m=delta T / Kf X i Kf = 1.86C/m so I did 2.5C / 1.86 X 1 = 1.344 I know that 1.344 can't be the weight for glycol ... 
Physics
A not so brilliant physics students wants to jump from their 3rd floor apartment window to the swimming pool below. The problem is the base of the apartment is 8.00 meters from the pool’s edge. If the window is 20.0 meters high, how fast does the student have to be running ... 
chem Help please!
A water heater is fueled by the combustion of propane as described by the following reaction: C3H8(g) + 5 O2(g) > 3 CO2(g) + 4 H2O(l) a) Determine how much heat is released if 11.2 moles of propane are burned at 298 K and at a constant pressure of 1.00 bar. b) Assume that... 
Math
I do not get this question at all,this is composite functions and all my answers to a) to c) is wrong,can someone please help me with this problem :)? Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a ... 
Academic Writing II
Please, somebody help me. I need 3 traits on Robert Frost's writing and I'm clueless. I don't even like his poems, and I'm supposed to write a 3paragraph paper on him. So far, I'm thinking 'He likes to write with humor' and 'He likes to use metaphors'. I don't have a third ... 
(Arts/Theater)(Stuck on what to do) Help please?
My improvisation teacher today told us to bring something with us to class where you can do a physical action with it. This action must be something you can do in barely 10 minutes and must have an actual ending to that action. We're doing this assignment tomorrow and I have ... 
English
Could you please check these sentences on illnesses, please? Thank you in advance. 1)I’ve got backache as a consequence of my slipped (herniated?) disc. I need to express this when I’m at the chemist’s or at the doctor’s. I need also to express that I need cortisone as... 
business communication
please help me to revise this paragraph I’m fed up with the mistakes that our current accounting firm makes. I run a small construction company, and I don’t have time to doublecheck every bookkeeping entry and call the accountants a dozen times when they won’t return my... 
Physics
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 65.0. Dog exerts a force of 256 and dog exerts a force of 344 . A) Find the magnitude of the resultant force. B) Find the angle the resultant force makes with dog 's rope. You can do this ... 
As physics
Silver plating: A student attempts the process of silver plating to determine the mass of a silver atom. a series of objects are measured, then electroplated for a measure period of time, while maintaining a steady current through a solution of silver nitrate in tap water. ... 
Social Studies  Merisa
I've reposted your question because it was posted as an answer to another question. Next time, please click Post a New Question when you want to ask a question. Your question: Was the U.S right to become an imperialist country and was it right to take over Hawaii.(5 paragraphs... 
Stars and the Galaxies
if alpha centauri were to all of a sudden disappear, we wouldn't knknow 4 another 4.3 years. How come? Why would this be the case? would this be the case because its really far away from us and it's 4.3 light years away. So if it suddenly just vanished out of sight, then it ... 
Literature(Please help)
I tryed finding information on how to cite a movie in MLA style but I am still confused. I need to cite the movie Smooth Talk by Joyce Chopra. All I know is the name of the movie, director, pg13 and 1986. Please help. Thank you. Also, I need to cite a journal article. Is this... 
us history
which answer best explains the contributions of women during the revolutionary war? a) women were in charge of the horses and artillery during the revolutionary war. b) women often poisoned British troops stationed in their towns during the revolutionary war. c) women served ... 
AP World History Please Help Me Mrs.Sue
Compare the political structure of Hellenistic Greece to that of the Greek world before 400 B.C.E. What was the function of philosophy in Greek culture? What, according to the authors, were the principles of Greek culture? Define a polis. How did the polis change between 800 ... 
Finance
i have tried so hard to understand this and i am totally confused. I just don't know where to begin. Can someone please, please help me?? Given the following information, answer the following: TR=$3Q TC= $1,200 = $2Q 1. what is the breakeven level of output? 2. If the firms ... 
physics
A 2.5 kg block of ice at a temperature of 0.0 degrees Celcius and an initial speed of 5.7 m/s slides across a level floor. If 3.3 x 10^5 J are required to melt 1.0 kg of ice, how much ice melts, assuming that the initial kinetic energy of the ice block is entirely converted to... 
math
kyle had 36 books in hislocker. some were library books, some were textbooks, and the rest were telophone books. the number of library books and textbooks combined equal twice the number of textbooks. the number of textbooks and telephone books combined equals three times the ... 
math
kyle had 36 books in hislocker. some were library books, some were textbooks, and the rest were telophone books. the number of library books and textbooks combined equal twice the number of textbooks. the number of textbooks and telephone books combined equals three times the ... 
math
kyle had 36 books in hislocker. some were library books, some were textbooks, and the rest were telophone books. the number of library books and textbooks combined equal twice the number of textbooks. the number of textbooks and telephone books combined equals three times the ... 
Physics HELP
A 2.0m measuring stick of mass 0.215 kg is resting on a table. A mass of 0.500 kg is attached to the stick at a distance of 72.0 cm from the centre. Both the stick and the table surface are frictionless. The stick rotates with an angular speed of 6.50 rad/s. (a) If the stick ... 
physics
we can say that the force of gravity is equal to mass times acceleration were the acceleration is equal to gravity sense gravity is an acceleration because of newtons second law force = mass times acceleration hence Fg = mass times acceleration Fg = mass times gravity Fg = mg ... 
French
Difference between indefinite and definite articles? Indefinite = Un, Une, Des Defenite = La, Le, Les The indefinite articles means A or A(n) and Des means some. Le, and La mean the, and Les is the plural form of these two. Give example of each: 1.Je vais manger des fromage.(... 
physics
Juan was on vacation in Italy, and one of this adventures, he went up the Pisa tower. He wants to know the tower height using Physics, so he drops a small stone that he has in his pocket and takes the time it lasts to reach the ground. What is the Pisa tower height according ... 
English
Can you please put this into iambic penatmeter: It is the end of time as we know it The end of four years is coming very near It is time to look at my yearbook a bit, It's the yearbook of my past times, so dear Iambic pentameter sounds something like this: daDA daDA daDA da... 
Physical Science
I needed help on these 3 questions that I don't quite understand. Can someone please explain to me how to solve the answer? Use this scenario to answer questions 13: A car crashes in a tree at a velocity 26.6 m/s. The passenger in the car is wearing a seat belt and is ... 
physics
I keep on getting the second part wrong. Can you please tell me where I messed up? Thank you. The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires the gun, she is driven back over the edge and into the sea. ... 
As physics
In a hockey match a hockey ball is hit 18m from the front of the goal. The ball leaves the hockey stick with initial velocity v at angle theta to the horizontal ground. The ball passes over the goal at a maximum height of 2.0m. The initial vertical component of the velocity of... 
Physicsbobpursley can u check this again please
Q. A 10.6 kg weather rocket generates a thrust of 226.0 N. The rocket, pointing upward, is clamped to the top of a vertical spring. The bottom of the spring, whose spring constant is 402.0 N/m, is anchored to the ground. Initially, before the engne is ignited, the rocket sits ... 
mathplease help,need quickly
find the slant asymptote of the graphof the rational function. 1.f(x)=x^2x2/x7 y=? 2. determine the symmetry of the graph of f. a. the graph has yaxis symmetry f(x)=f(x) b. the graph has orgin symmetry f(x)= f(x) c. the graph has both yaxs and orgin symmetry d. the ... 
physics
The human brain consumes about 23.7 W of power under normal conditions, though more power may be required during exams. How long can one candy bar (332 Calories per bar) power the normally functioning brain? (Note: The nutritional Calorie is equivalent to 1000 calories (1 kcal... 
11th grade [URGENT]
Help with my research essay!? I have this assignment I have to do and its a research essay. I was wondering if this was a good topic (not too broad or not too specific) for my essay: Behind fast food, or like does fast food take effect on obesity? I've chosen to do something ... 
Physics :(( help please TT
If you've ever watched sailing, you will sometimes see a sailor hanging off the side of the boat, for example in this shot from the movie "The Thomas Crown Affair." Eventually, of course, the sailboat tips over so far that a person cannot keep it balanced. Consider an ... 
supply and demand
two questions 1. if sam decidedd to buy more vegtables does this imply that there has been an increase in quantity demanded . please graph as well 2. a dealer has recently started using a foreign supplier of goods rather than a local one . this caused his cost to decrease and... 
physics
a block (mass m1) on a smooth horizontal surface, connected by a thin cord that passes over a pulley to as second block (m2), which hangs vertically. Ignore friction and the masses of the pulley and cord. If m1 = 13.0 kg and m2 = 6.0 kg determine the accleeration of each block... 
PhysicsPLEASE HELP, it's due soon
Massspectrometer (device that selects atomic particles of different masses and charges) consists of cylindrical capacitor with inner radius R1=2.4 cm and outer radius R2=3 cm. Ions enter the massspectrometer through narrow slit S which is situated in between the capacitor ... 
Economics
Hi, please help me with this econs question! thanks! I'm asked to sketch the average and marginal cost curves of a software company, in which when it first starts up, the costs are extremely high. (High start up costs, millions of dollar spent to make the software)But after it... 
Physics Phase Constant
..im really stuck on this. can someone please explain?  Figure A [[which i tried to recreate below]] is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular frequency of 1.1 rad/s. [a].....x(cm)....... ........5... 
CHEMISTRY
PLEASE HELP I REALLY DO NOT UNDERSTAND THIS YOU DON'T REALLY HAVE TO ANSWER THE QUESTIONS BUT AT LEAST JSUT A LITTLE HINT THATS ALL PLEASE AND I HAVE A QUIZ ON THIS TOMORROW MY TEACHER REALLY CANNOT TEACH 1) what flaws exsit in Dalton's model of the atom? 2) what flaws exist ... 
Physics Project
I am currently doing a physics project where I am launching a wooden pellet by using a sling into a container full of water. By changing the length the rubber band is stretched, I am measuring the pellet's submergence distance into water. I know that the velocity of the pellet... 
Math Please Urgent
Here are the questions I need help with, please help. [(1/4)^3 divide sign (1/4)^2]^2 I got (1/4)^10 but I got it wrong (3^1/2)^3 _______ I got 1/216 9 (56r^2)divide sign (7r^2)= I got 8r x(y)(x)(2y) (12) (10xy^3) (3x^2y^2) (5x) (2y) simplify sqaure root of 160000 simplify... 
physics
another question: the 20 kg block is at the top of a 10 m long inclined plane. The block starts from rest and slides without friction down the length of the incline. The block is 5 m high. 1) Determine the gravitational potential energy of the block at the top of the incline. ... 
Physics
I am trying to help my step son who missed half of physics class due to a funeral. A laser beam is being shot through two different materials that have been stuck together. if theta 1 = 65.5 and theta 2 = 49.8 what is the index of refraction? (I got 1.2 which is correct) but ... 
Physics
I know I need to show my work but the problem is that I don't even know where to begin. I am taking an online physics class with a teacher that is not willing to help. So any guidance would be much appreciated. Consider the two vectors: F1: (220N, 41°), F2: (50N, 139°) The ... 
COMM/215 Final Grammar exam, please help
Please help me out with my final grammar exam, COMM/215 Thank you 
Physics
Calculate the position of the center of mass of the following pairs of objects. Use acoordinate system where the origin is at the center of the more massive object. Give youranswer not in meters but as a fraction of the radius as requested. Get data from insidethe front cover ... 
Math
Guys please help me with this Trigonometry question based on De Moivre's theorem. Q: Find ¦È such that 0¡Ü¦È¡Ü360. cos7¦È + cos3¦È = cos5¦È I attempted to solve it with limited knowledge but I kind of doubt my answer. Anyway, this is how I did it : 1) [cos7... 
Physics Impulse
1.)A 0.5 kg hockey puck moving at 35 m/s hits a straw bale, stopping in 1 s. a) What impulse is delivered to the ball? b) What force is exerted on the puck? 2.) A racing car with a mass of 1400 kg hits a slick spot and crashes headon into a concrete wall at 50 m/s, coming to ... 
Physics
During a particular thunderstorm, the elctric potential difference between the clouds and the groud is VcloudVgroud = 10^9 volts with the cloud being at the higher potential. Now, there is a lightning flash in which a charge of 25C is transferred from the ground to the cloud... 
physics
Hey guys! I was hoping someone could help me with the first two questions. I'm seriously brain dead right now and cannot figure these out. baylor.edu/content/services/document.php/110735.pdf 1) Suppose you see the trace to the right on your oscilloscope screen. You have set ... 
Math Essay
I have to write this paper over the history of math, can you please give me some other websites that I can use? So far I have one website from wikipedia. Also, can you please read my introduction? As of today, there are plenty of new developments in the area of Mathematics. ... 
English
Could you please revise the following sentences, please? 1) As a matter of fact, two among our science teachers are willing to partake in the project where English would be the lingua franca. 2) Translate the following words into English, then choose two adjectives describing ... 
physics
The pole vault landing pad at an Olympic competition contains what is essentially a bag of air that compresses from its "resting" height of 1.1 m down to 0.1 m as the vaulter is slowed to a stop. (a) What is the time interval during which a vaulter who has just cleared a ... 
Physics
Two geekie physics students with a combined mass of 131 kg jump into their old car to run out for some late night pizza. The distance between the front and back axles of the car is 2.9 m. When they get in the car, the springs compress a total of 9.3 cm. On their way to the ... 
TO DRWLS/MATH HELP PLEASE
How do i solve inequalitites with three variables. I still can't figure it outplease help. x+y=1 yz=3 2x+3y+z=1 THE ANSWERS ARE X=3,Y=2,Z=1 i KNOW THE ANSWERS I JUST DON'T KNOW HOW THE BOOK GOT THE ANSWERS . i 'VE TRIED MANY DIFFERENT WAYS AND I STILL DONT' UNDERSTAND IT ... 
Health care please check answer
Please check my answer thank you :) A patient visits the doctor's office with abdominal pain of two days' duration. Medical history is significant for tonsillectomy and hypertension. The patient denies alcohol and drug abuse. The rectal exam confirms hemenegative stool. ... 
Speech
PLEASE, Can some one please help me complete the SECONDARY SUPPORT for this speech topic outline? Thesis Statement: My failures in high school taught me three important lessons in life. Primary Support 1 : I realized the importance of hardwork Secondary Support 1: Secondary ... 
Algebra PLEASE PLEASE HELP ASAP
1.Justin writes the letters ILLINOIS on cards and then places the card in a hat. What are the odds in favor of picking an I? a. 5:3 b. 3:5 c. 3:7 d. 1:2 my answer is b? 2. Justin writes the letters ILLINOIS on cards and then places the cards in a hat. What are ... 
English
Could you please check these phrasal verbs i'm unsure of? thank you. 1) They are cutting off the water/gas supply tomorrow. The chairman cut him out of the discussion. 2) The light went off (out is possible?) all of a sudden. Can you switch off /put out the light, please? 3) ... 
Math
in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject of if 100 students were surveyed 
Math
in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject if 100 students were surveyed 
Science Check Please :)
I only have a couple questions left but I want to be sure that my answers are correct so can someone please help me by checking my answers and if they are wrong can someone please let me know? Thank you! Question Number 1: A freshwater marsh is a type of ecosystem. Grasses, ... 
Physics
A bullet is fired horizontally from the roof of a building 100 meters tall with a speed of 850 m/s. Neglecting air resistance, how far will the bullet drop in 3 seconds? 1 29.4 m 2 44.1 m 3 100 m 4 2550 m Answer should be choice 2) 44.1m BUT I DON'T GET IT! Please help me;( if... 
Science
What is the mathematical calculations that lead to the theory of Dark matter or Dark energy? What is the calculation for energy in the universe? What is the calculation for matter in the universe? What is the discrepancy between the two calculations? Please note that we don't ... 
math please help
Your parents have just brought you a care and now you have an opportunity to "deck it out." how would you change/ enhance your vehicle to make it your dream car? What features/parts would you add, including taxes. Imagine you have a job, $1000.00 in savings account and can ... 
Physics ~please help me!~
1.)A 0.5 kg hockey puck moving at 35 m/s hits a straw bale, stopping in 1 s. a) What impulse is delivered to the ball? b) What force is exerted on the puck? 2.) A racing car with a mass of 1400 kg hits a slick spot and crashes headon into a concrete wall at 50 m/s, coming to ... 
ECONOMICS PLEASE PLEASE HELP!!
Lots of folks these days believe that CO2 emissions generated by human actions  notably production of goods and services  are causing climate change, more specifically, global warming. For the sake of dialectic discussion, let's suppose that claim is correct. If it is ... 
Physics PLEASE HELP
A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 21.0° with the horizontal. A 37.0 kg piece of luggage is placed on the carousel, ... 
Math check my answer
77 is what percent of 192? A. x/100= 77/192;4.01% B. x/100=77/192; 40.1% C. x/77= 100/192; 77.3% D. x/100= 192/77; 249.4% My answer is B. Please help and check my answer if I am wrong please correct me thank you. 
Math  More Precision and Significant Digits
Please help me with the following problems: 3. Choose the more precise measurement. 6 cm or 2.5 cm I think it is 2.5 cm. Is this correct? 7. Choose the less precise measurement and explain why it is less precise. 2.8 mm or 3.79 mm I think the answer is 3.79 mm. Is this correct... 
physics
hello everyone...i just has a general question. I am trying to study for physics. The chapter is contains potential energy, conservative, non conservative, kinetic energy. They have a definition of each , but i still don't have a better understanding of them. I cant ... 
Physics
An 100.0N crate of apples sits at rest on a ramp that runs from the ground to the bed of a truck. The ramp is inclined at 29.0° to the ground. (b) The interaction partner of this normal force has what magnitude and direction? Magnitude 87.46 N Direction 61° below the ... 
French
Can someone please proofread my paragraph? Sortir Diner Je suis allé à un restaurant chinois. Je suis allé avec ma famille. C’été un traditionnel repas de Noël famille. Pour hors d’oeuvre, j’ai mangé (Egg Drop Soup). Pour le plat principal, j’ai mangé de ... 
8th Grade Electives Advice
Hi, I'm really struggling with my decision about two electives that I really like. One is Journalism and the other is Creative Photography. If anyone knows or has experience can you please tell me the pros and cons about these two electives please? Also, I only have a few days... 
English
Can you please check these sentences for me, please? Thank you very much. 1) There are other teenagers who like wearing baggy jeans. You'll listen to the test twice. 2) You are asked either to cross the correct alternative (among three) or to fill in the blanks with a suitable... 
physics
In preparation for a demonstration on conservation of energy, a professor attaches a 7.2kg bowling ball to a 3.4mlong rope. He pulls the ball 23° away from the vertical and holds the ball while he discusses the physics principles involved. Assume that the force he exerts ... 
physics
what is the physics behind the process of administering the following 1. measurement of blood pressure using sphygmomanometer 2.giving injections 3.administering intravenous infusion 4.giving oxygen in the ward and operating theater 5. administering blood transfusion 6.sucking... 
Physics
12th grade physics ap question. A baseball with a mass of 120 g is hit 21.8 m into the air. The ball is caught by the third baseman 2.5 m above the ground. What potential energy did the ball develop at its highest point? How much potential energy did it still have when it was ... 
BUSINESS COMMUNICATION
I HAVE 5 COMMITTEE MEMBERS I HAVE TO PERSUADE WITH DIFFERENT PERSONALITIES. THEY HAVE TO AGREE ON MY SERVICE. I HAVE TO INCREASE EFFICIENCY OF A BUSINESS OPERATIONS AND KEEP MY CURRENT EMPLOYEES HAPPY. Please note that we don't do students' homework for them. Our tutors try to... 
Physical Science [repost]
needed help on these 3 questions that I don't quite understand. Can someone please explain to me how to solve the answer? Use this scenario to answer questions 13: A car crashes in a tree at a velocity 26.6 m/s. The passenger in the car is wearing a seat belt and is stopped ... 
excretion
Question: which is an example of excretion? a) release of sweat from the sweat glands b) removal of carbondioxide from the lungs Please tell me what is the answer. I thought both urea(from the sweat) and CO2 are products of excretion? In fact, my textbook says that "carbon ... 
PHYSICS
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #8: A 20 kg block of ice slides without friction down a long hill. The start ... 
Chemistry
Can someone please help me on this two Chemistry questions...they are from my lab....the lab was on Acids and Bases using Red Cabbage Indicator. Q1 How consistent was the cabbage juice indicator for this lab? Discuss the limitations of using red cabbage juice as an indicator ... 
Physics
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N. The steel hanger in question has a cross sectional area of 5.300cm. ANS = (Round to 3 decimal places) Load = 65000.000N ultimate strength = 630.000MPa... 
Physics
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N. The steel hanger in question has a cross sectional area of 5.300cm. ANS = (Round to 3 decimal places) Load = 65000.000N ultimate strength = 630.000MPa... 
Physics
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N. The steel hanger in question has a cross sectional area of 5.300cm. ANS = (Round to 3 decimal places) Load = 65000.000N Ultimate Strength = 630.000MPa...