physics please HELP !
130,869 results, page 86

Physics Helpppp
Q11 a(ii)A sinusoidal carrier wave has frequency 500 kHz and amplitude 6.0 V. It is to be frequency modulated by a sinusoidal wave of frequency 8 kHz and amplitude 1.5 V. The frequency deviation of the carrier wave is 20 kHz V^–1 Describe, for the carrier wave, the variation... 
math and physics
i just want to know form where i got on this formula the 4.9t² on this formula s=4.9t²+Vot+h because the book only say that a physics theory shows that when an object is thrown upward with an initial velocity Vo, its approximate height is given by that quadratic function i ... 
Physics
Well, I just found out that I failed my physics midterm. I got a 51. Yes I studied but I still don't get the forces and inclined planes. And my parents are going to kill me if they find out. The midterm brought down my grade to a 79!! Any advice? P.S I also got a 71 on my ... 
Physics
Can someone please help me with the following 2 questions? I wasn't sure if I was grasping the whole idea. **Consider a baseball that is caught and then thrown at the same speed. Which case illustrates the greatest change in momentum, which requires the greatest impulse: the ... 
Physics
Three children are fighting over a toy. One child pulls on the toy with a force of 100N at an angle of 37° north of east. The second child pulls on the toy with a force of 200N south. The third child pulls with a force of 250N at an angle of 20° south of west. Watching all ... 
math
HELP HELP PLEASE The University of Townville gives a full scholarship to any student who scores in the top 4% of students on the SMRT standardized exam. SMRT scores have a mean of 260 and a standard deviation of 22. What score does a student need to attain in order to receive ... 
Spanish
Please correct my work please: This is what I'm working on: Command form(imperative mood)negative familiar/polite. I have to change the following affirmative commands to the negative form. (write the word no, the object pronoun(s), and the negative command in the spaces to the... 
PHYSICS` HELP!! Please
Really lost on how to explain these whether true or false!! HELP! Much appreciated Write True or False. If False, Explain why! 1. In a position vs. Time graph, a line whose slope is negative represents an object that is slowing down. Answer: I circled True but it's not. Can ... 
PHYSICS
The drawing shows an ideal gas confined to a cylinder by a massless piston that is attached to an ideal spring. Outside the cylinder is a vacuum. The crosssectional area of the piston is A = 2.50 × 103 m2. The initial pressure, volume, and temperature of the gas are, ... 
Language Art (Please Check)
please check me Consider the characters Doc rabbit,Bruh fox,and tar baby.Which do you think is a real hero? A.Doc rabbit is a real hero because he is smart and knows how to get out of work B.toad is a real hero because he uses his brains to outwit a boastful opponent C.bruh ... 
Chemistry
a glavanic cell is set up by connecting the following halfcells together: nickle electrode in nickel nitrate solution and a copper electrode in copper nitrate solution. in which halfcell will oxidation occur? in which halfcell will reduction occur? write the half reaction ... 
math
Hi again. I don't understand these two questions so um please help me. Also explain me how to do it. Please 1. An electrician charges $40 to come to your house. She also charges $55 for each hour that she works. The electrician charges you a total of $190. How many hours does ... 
Math/Physics
Thanks in advance, these problems have been stumping me. Please include answers though, I have tried to work it out, but need answers to see where I am going wrong/where I need to go. 1. Determine all solutions for X^4+23i 2. Forces of 60 and 100 pounds have a resultant force... 
physics
Two artifacts in a museum display are hung from vertical walls by very light wires. Wire T1 is horizontal from the left wall and goes to a center weight of 177N and wire T2 is at a 53 degree angle with the right wall heading from right to left downwards towards the center ... 
physics
Two artifacts in a museum display are hung from vertical walls by very light wires. Wire T1 is horizontal from the left wall and goes to a center weight of 177N and wire T2 is at a 53 degree angle with the right wall heading from right to left downwards towards the center ... 
Spanish. PLEASE HELP.
I have know idea what the answers are. Please help me. THANK YOU!! 1. Write the verb form for: yo/hacer. 2. Write the verb form for: ellos/hacer. 3. Write the verb form for: nosotros/hacer. Thank You. 
English
Could you please check these sentences, please? Thank you. 1) It is advisable for you to do the exercise. 2) It would be better/best if he did the exercise. (but NOT for him to do) 3) It is difficult for him to do the exercise. It is easy for him to do the exercise. 4)I'm ... 
vector prob, please help explain.
can someone help me please or explain this better? i'm having trouble. thank you, chelsea Three ropes hold a zeppelin in place, but two of the ropes break. The remaining rope holds the zeppelin with a tension of 255 N at an angle of 40 degrees with the ground due to a wind. ... 
AdvertisingHBC Company
Okay. I had a sub today, and she said that I have to make an advertisement on the HBC to attract individuals. Some examples she gave to me: Marvellous goods! We Want you! Jobs available for men! Some things I came up: All types of fur like beaver and buffalo Stay by the ... 
AP CHEMISTRY
I really need this please!!!!!!! : write the equilibriumconstant expression and calculate the value of the equilibrium constant for each of the following reactions at 298 K. (a) NaHCO3(s)<> NaOH(s) + CO2(g) Answer: Keq = PCO2 (b)Value of the Equilibrium Constant: ... 
AP CHEMISTRY
I really need this please!!!!!!! : write the equilibriumconstant expression and calculate the value of the equilibrium constant for each of the following reactions at 298 K. (a) NaHCO3(s)<> NaOH(s) + CO2(g) Answer: Keq = PCO2 (b)Value of the Equilibrium Constant: ... 
Geometry
Two model trains begin at the toy train station and travel continuously on two circular tracks of equal length. The first train completes a circuit in 20 seconds and the second train in 15 seconds. If both trains, leave the station at the same time, after how many seconds will... 
PHYSICS  formula?
Here is one of my questions from my physics study. It tells me the answer (35 J), but how do I find that answer? I would appreciate a formula or step by step calculation. Thanks! :) A 30 kg kid on rollerskates is moving 1 m/s. His brother pushes him with a force of 5 N. What ... 
english please help y none is helping
Please help me what this quotes mean then I have to write WHAT I think about it. i already get eight of them but idont get rest of them. 1) Or I will become engulfed with all I did or I did not do, with what should have been and what cannot be helped 2) You do not guess how ... 
English
Part 1: Poem Structure "Annbel lee" by edgar allen poe Check PLEASE?? In this part, you will analyze the structure of the poem. Please fill out the following. Title of Poem:Annabel lee Poet: Edgar allen poe Theme: potrait Type of Poem:Narrative poetry Style of Verse: free ... 
English
CHECK PLEASE?! Part 1: Poem Structure "Annbel lee" by edgar allen poe In this part, you will analyze the structure of the poem. Please fill out the following. Title of Poem:Annabel lee Poet: Edgar allen poe Theme: potrait Type of Poem:Narrative poetry Style of Verse: free ... 
Physics
I am taking an online course in physics and I need to write a short paper on Analog and digital information. Below are the questions that guide me through the paper. I am having a hard time finding a website that can explain this to me. There is no text book with this course. ... 
Physics
I am taking an online course in physics and I need to write a short paper on Analog and digital information. Below are the questions that guide me through the paper. I am having a hard time finding a website that can explain this to me. There is no text book with this course. ... 
physics
For a scene in a movie, a stunt driver drives a 1.50×10^3kg SUV with a length of 4.00m around a circular curve with a radius of curvature of 0.333 km. The vehicle is to be driven off the edge of a gully 10.0 m wide, and land on the other side 2.96 m below the initial side. ... 
chemistry
Predict the precipitate that forms: HCl + AgNO3 > ??? i don't know what the answer is but i think it is Cing04 AgCl. You need to learn the solubility rules. If you don't have a web site I can give you one. hey watz up can you help me with a question please? If you have a ... 
Math!
Please Please Please help me! I'm really behind and need to get this done and i'm really confused. 1. 5h – 9 = –16 + 6h (1 point) 4 –7 7 10 2. 4x + 4 = 9x – 36 (1 point) –8 –7 8 –3 3. Which of the following equations has an infinite number of solutions? (1 point... 
math(please help)
Allison, Ashley, and Becky weigh 124 kg altogether. Allison and Becky weigh 102 kg altogether. Allison and Ashley weigh 86 kg altogether. How much does each person weigh? please show your work. 
Math Double Check Me Please
1.what is the slant height for the given pyramid to the nearest whole unit. pyramid base= 12 cm height=8 cm A.5 cm B.9 cm ***** C.14 cm D.10 cm What is the length of the diagonal for the given rectangular prism to the nearest whole unit? the unit is the length=6, width=5, ... 
Physics
A clerk moves a box of cans down an aisle by pulling on a strap attached to the box. The clerk pulls with a force of 187.0 N at an angle of 25.0◦ with the horizontal. The box has a mass of 36.0 kg, and the coeﬃcient of kinetic friction between the box and ﬂ... 
Physics
A(n) 160 g block is pushed by an external force against a spring with spring constant of 1260 N/m until the spring is compressed by 11.8 cm from its uncompressed length. The compressed spring and block rests at the bottom of an incline of angle θ = 39.0°. Note that the ... 
Physics
A physics textbook is launched up a rough incline with a kinetic energy of 200 joules. When the book comes momentarily to rest near the top of the incline, it has only gained 180 joules of gravitational potential energy. About how much kinetic energy will it have when it ... 
Math please, please help
Charlotte is planning a trip from her house in City A to the State Fair in City B. She uses 2 maps, each with a different scale & places them together so that they show her route. First map's scale is 2 3/4 inches with 3/4 inch equaling 30 miles. Second map's scale is 3 7/8 ... 
math(check answers please)
please check my math answers again thanks. by the age of 27,justin had visited 25 out of the 50 states.what fraction of the states had justin visited?write the answer in simplest form. A.2/1 B.25/50 C.1/2(I PICKED THIS) D.1/3 Heather drove 10 miles in 22 minutes.which is the ... 
Physics Please check my answer
1. Which of the following are conserved in a totally inelastic collision? Only momentum Only kinetic energy Both momentum and kinetic energy Neither momentum nor kinetic energy < It depends on the objects. 2. Two skaters stand face to face. Skater 1 has a mass of 55 kg, ... 
Physics
Three resistors having the same resistance value are wired in parallel. How does the equivalent resistance compare to the resistance value of a single resistor? The equivalent resistance is thrice the value of a single resistor. The equivalent resistance is the same as the ... 
Social Studies check my answers please
1. Who invented the sewing machine? A.Elias Howe******* B.Robert Fulton C.Samuel Morse D.John Deere Answer A. 2. By 1860 the Midwest and the east were united by a network of_____? A. Roads B. Railroad tracks**** C. Canals D. Steampowered ships Answer B 3. Which invention ... 
physics
Im doing physics 20 in correspondance this summer, and Im stuck on a question about Refraction... and Snell's law. The question is... A ray of light is incident upon a 606060 degree prism, n=1.5. Then it shows a diagram , and it asks to find the angle of reflection.. and ... 
Physics helpp!!
A baseball is thrown horizontally off a cliff with a speed of 24 m/s. What is the horizontal distance, to the nearest tenth of a meter, from the face of the cliff after 2.8 seconds? To the nearest tenth of a meter, how far has it fallen in that time? So is 24 m/s Vx or Vox? Do... 
Physics, error derivation
I need to derive an error equation for Bohr's model to use in my physics lab this week. I am really bad at calculus, so if anyone can help me that would be really great. the equation is (1/lambda)=R[(1/n^2final)(1/n^2initial)] I've never had to derive anything like this ... 
physics
may be this is simple and obvious question but i am really not getting this.in my physics practicals i was doing potentiometer experiment ,in this i did not understand how jockey completes the circuit.i mean we did not do any connections we were just touching wires with this ... 
physics
A backpack full of books weighing 58.0 rests on a table in a physics laboratory classroom. A spring with a force constant of 140 is attached to the backpack and pulled horizontally. If the backpack begins to slide when the spring ( = 140 ) stretches by 2.40 , what is the ... 
English
Could you please check these two sentences, please? Thank you. 1) When I set the table, I lay on the the table cloth, the cutlery, the napkins, the soup and dinner plates, the water and wine bottles, the oil and vinegar bottles, the pepper shaker and the salt cellar. (What ... 
Math
Which of the following are the numbers NOT in correct order from SMALLEST to LARGEST? A.)3.1, 3.5, 0, 0.7, 1.5 B.)2.3, 1.5, 0.1, 0.33, 0.35 C.)6.1, 5.33, 4, 0.25, 0 D.)2.3, 1.5, 0.9, 0, 0.09 PLEASE HELP ME!!! Draw a number line, something like this. 4...3...2...... 
chemistry
HELP PLEASE... what is the chemical equation for these situations..? a) there is a straight iron nail in the solidified gelatin solution. the gelatin solution was prepared with phenolphthalein and K3Fe(CN)6. b) same scenario as with (a) but the nail is bent c) same with (a) ... 
chemistry
HELP PLEASE... what is the chemical equation for these situations..? a) there is a straight iron nail in the solidified gelatin solution. the gelatin solution was prepared with phenolphthalein and K3Fe(CN)6. b) same scenario as with (a) but the nail is bent c) same with (a) ... 
chemistry
HELP PLEASE... what is the chemical equation for these situations..? a) there is a straight iron nail in the solidified gelatin solution. the gelatin solution was prepared with phenolphthalein and K3Fe(CN)6. b) same scenario as with (a) but the nail is bent c) same with (a) ... 
Biology
Kay so these are the strands of DNA 5' C C A G T A G T T 3' 3' G G T C A T C A A 5' Let's say the DNA molecule above were the parent strand of DNA. when the strands are split for replication, which strand would be the template for the leading strand? And can you also please ... 
Math, Algebra,
Help! I can't understand or find out the answer, I tried but I keep getting lost! George rides a cab to work 3 days a week. He pays $3.50 for the cab to pick him up. He pays an additional fee for each mile driven. In one week, George paid $35.25. If he rides 11 miles each day... 
algebra someone please help i cant get it
he is missing 3 cents to buy an ice cream bar. she is missing 5 cents to buy the same ice cream bar. they combine their money but they are still 1 cent short. how much is the ice cream bar? Check your last post. Please don't double post. 
Science  Please Check my Answer 2
My problem: One runner in a relay race has a 1.50 s lead and is running at a constant speed of 3.25 m/s. The runner has 30.0 m to run before reaching the end of the track. A second runner moves in the same direction as the leader. What constant speed must the second runner ... 
algebra
Can someone please help me with these problems? Please and thank you. 1)Solve the equation: (1/x)+[x/(x+2)]=1 2)Simplify the complex fraction: 3(3/4)  (1/2)(1/4) (1/x)+ [x/(x+2)] = 1 Convert left side to the sum of fractional terms with common denominators. [(x+2) + x... 
english..pls. ms. sue help me
please help me on my exam. to make good answer enough.please correct my english and answer if it is relevant to the question. thanks alot. please help me if you can give or add more on my answers. question 2.“Spoken language was the first form of communication between human ... 
Science
For many years it was believed by geologists that the location of the continents was fixed.These scientists believed that the locations of the continents was determined many billions of years ago,as the young Earth cooled down from its original state as a ball of molten lava.... 
physics (please help)
Let f be the frequency, v wav the speed, and T the period of a sinusoidal traveling wave. The correct relationship is: a)f=1/T b)f=vwav + T c)f=vwavT d)f=vwav/T e)f=T/vwav My thoughts: Since frequency is equal to T=1/f so f=1/T. Vwav is connected to f by the equation v=lambda... 
Physics (CHECK)
One student is pushing on a chair with a force of 260.6 N directed at an angle of 30 degrees above horizontal while a second student pushes on the same side of the chair with a force of 21.0 N at an angle of 15 degrees below horizontal. What is the magnitude, in N, of the sum ... 
Algebra(Please Help ASAP)
Indirect Measurement: A tree casts a shadow 8 ft long. A 6 ft man casts a shadow 4 ft long. The triangle formed by the tree and its shadow is similar to the triangle formed by the mad and his shadow. How tall is the tree? **PLEASE give a stepbystep explanation** 
Calculus help PLEASE
It is known that an object traveling in straight line with velocity function v(t) = t^2t, where v is measured in meters per second. Find following. The position function s(t) when we know the position 5 meters after 2 seconds. I tried to work this out and got s(t) = (t^3)/3... 
Business Communication
Please submit your endofyear report by December 31 so we can include your accomplishments in our report to the Corporate Offfice due january 20." is it appropriate to give the report due date in this sentence? a. no, ebcause the reader will not believe that the write can ... 
geometry
(imageshack)123 (.)us(/)photo 123 (/) myimages 123 (/)42(/) 123 2vja. jpg(/)123 Open that link please , just delete the parentheses and spaces and 123's please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, ... 
Chemistry
I don't know how to do Titration problems! I have an emergency homework assignment that's crucial to my grade! Please help with tips and step by step response! Please help! 1. 50ml of 0.3 M KOH are required to titrate 60 ml of H^2SO^4. What is the M of the H^2SO^4? 2. 60 ml ... 
Chemistry
A tubular fluorescent lamp in a fully evacuated supply compartment on the international space station was originally filled with a small amount of mercury vapour. When the lamp began to flicker the astronauts complained there was a tiny hole in the tube. They measured that the... 
@elena
thank you so much help with the problem. i have trouble solving part b of the problem you helped me with. it told me to give it as a percentage, I got 10% but it is wrong. can you please help me Superman must stop a 190km/h train in 180m to keep it from hitting a stalled car ... 
Pharmacist
Could you please give me links to where I can find out about Pharmacists. Powerpoints would be good. This is what I need, since Im doing a career Research project on this. Job duties/Responsibilities Education/Training Requirements Demographics (where can you work?) ... 
Physics Elena please help!
A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and travels toward a circular ... 
Physics
A light–rail commuter train draws 635 A of 640–V DC electricity when accelerating. What is its power consumption rate in kilowatts? (in kW) 406 kW You are correct. How long does it take to reach 30.0 m/s starting from rest if its loaded mass is 4.90×104 kg, assuming 93.0... 
physics
Determine the acceleration and normal force of system below. Assume no friction, the mass equal to 10.0 kg and the angle equal to 60.0 degrees. Assume gravity equals 9.8 m/s/s. The picture looks like a right triangle with a box sliding down it. I am a 9th grader in conceptual ... 
College Physics
A 42kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 220 J from 460 J. How high does she rise during this interval? Neglect air resistance. The quarter is over but I am still trying to ... 
about this site please read
im trying to post something but it says I cant because youre not allowed to post internet addresses but I don't have any in my post please help. You likely have a www in the text. nope read it over and over .is that the only thing it could be because I really need to post this... 
English
Can you please check these sentences. Thank you very much for all! 1) What is your school day like? Can you drive a car? How old must you be to drive a car in America with you parents'supervision? 2) Are there vending machines at your school where you can get your drinks (?) ... 
Chemistry Dr Bob
Dr Bob Can you please assist Redox balancing in BASIC sol. NO2 +Al>NH3 +Al(OH)4 if you could please walk through step by step. I don't know how to get oxidation #s for Al(OH)4 vs. Al I get Al=0 Al(OH)4= +3 But if so...then my oxidation half reaction is Al>Al(OH)4... 
physics
In introductory physics laboratories, a typical Cavendish balance for measuring the gravitational constant G uses lead spheres of masses 1.79 kg and 16.9 g whose centers are separated by 5.49 cm. Calculate the gravitational force between these spheres, treating each as a point... 
Physics
In introductory physics laboratories, a typical Cavendish balance for measuring the gravitational constant G uses lead spheres of masses 1.27 kg and 18.4 g whose centers are separated by 5.05 cm. Calculate the gravitational force between these spheres, treating each as a point... 
Physics Hear
1) Peter is heating water on the stove to boil eggs for a picnic. How much heat is required to raise the temperature of his 10.0kg vat of water from 20.0℃ to 100.0℃? Formula>> Q=mTcp 2)Under the spreading chestnut tree of the village blacksmith dunks redhot... 
Physics(Please respond)
A system does 210 J of work on its environment and gains 80.6 J of heat in the process. Find the change in the internal energy of (a) the system and (b) the environment. ÄU = Q  W Where ÄU is the change in the internal energy of the system, Q is the heat/energy gained from ... 
Physics help please
A beta particle (fast moving electron) is released by a nuclear decay and starts travelling at 1.5x10^6 m/s [NΘE] in the Earth's magnetic field which has a value of 3.0x10^5 T. If the force experienced by the beta particle is 4.34x10^18 N, determine the angle between ... 
math(one more time for today!)Please Help Belinda!
thanks,can you help me with this one: xy3x8y+24 I know you have to go, but you should be able to figure these out by now. Take out x from the first 2 and 8 from the second 2: x(y3)8(y3) (x8)(y3) acbc+adbd *I seriously only have 2 more minutes now,I told my mom I ... 
Physics
An object moves in a circular path with constant speed. Is the object's velocity constant? Is its acceleration constant? Please explain. From what I've learned in my 8th grade science class, when velocity changes is when the direction or speed changes. So if it is moving in a ... 
math help please
I am having a hard time understanding recprocial with fractions I would like to find a web site to help me understand this better I have a problem that is need to know if i have done it right the question is find the reciprocial of (1/7)(14/3)(9) This how I done the problem ... 
Help Chemistry
Can you please tell me if these are right? Determine the pH for the following solutions A [OH] = 1.0 X 10^7 M I got 7 B. [H3O+ = 4.2 X 10 ^3M I got 2.4 C. [H3O+]= 0.0001M I got 4 D. [OH] = 8.5 X10^9M I got 5.9 What are the [H3O+] and [OH] for a solution with the ... 
Physics
A disgruntled physics student sees the front end of his teacher's car below him at the base of a building. If the student is 5.0 m high above the car which is 3.0 m long and traveling only 3m/s to the right, will the apple of the student hit the teacher's car? What is the ... 
Physics (Bob please read)
hey bob, this question average force of friction thanks a lot. i only don't get one part. Now, set the potential energy of the rubber band (stretched x cm) equal to the work done on friction why is this equal to work done by friction? how come we can't use velocity, ... 
PreCalcPlease check my answerI think I have it
Could someone please check theseI had tried one last night but it was really wrong so I'm been workinghopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x10 =0 2x^2 + 5x10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 2x^2... 
PreCalcPlease check my answerI think I have it
Could someone please check theseI had tried one last night but it was really wrong so I'm been workinghopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x10 =0 2x^2 + 5x10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 2x^2... 
Physics Heat
1) Peter is heating water on the stove to boil eggs for a picnic. How much heat is required to raise the temperature of his 10.0kg vat of water from 20.0℃ to 100.0℃? Formula>> Q=mTcp 2)Under the spreading chestnut tree of the village blacksmith dunks redhot... 
Algebra
PLEASE HELP! 1. Part 1: Using the digits 4 and 10, and the variable x, write an equation and solve. Part 2: Using the digits 4 and 10, and the variable x, write an expression and simplify if neccessary. 2.Equation: 10 + 4 = x 14=x Expression: 10(4 + x) Example to solve: 103y=5... 
Physics
Question: Based on Millikan's Oil Drop Experiment, what can you conclude about the existence of a smallest unit of electric charge, of which other charges are multiples? Include a diagram of Millikan's original apparatus. So i found lots of great websites, so please don't ... 
science
1.Describe how a population differs from a community using your own examples. 2.Describe how an ecosystem differs from a community using your own examples. Please please help. thanks. 
Math please check answer
Please check my answer thanks :) Find the equation of 9 (2x18)=36 9(2x)9 (18) =36 18162 =36 18162 =36 18x162 =36 +162 +162  18x =198 18x 198  18 =18 x =11 
Math please check answer
Please check my answer thanks :) Find the equation of 9 (2x18)=36 9(2x)9 (18) =36 18162 =36 18162 =36 18x162 =36 +162 +162  18x =198 18x 198  18 =18 x =11 
English
Which sentence is correct? 1) Please provide the shelf life information on the following biscuits:  or 2) Please provide the shelf life information of the following biscuits:  
Social Studies
Are there anythings in which the government plays no role? Since we all should obey the laws and statutes enacted by various governments, everything is affected by government. Perhaps the least affected are newspapers and other media. We have a free press and freedom of speech... 
physics
why are you more likely to have an accident on your bicycle if you are riding it on a gravel or wet pathway?how do i explain this using newton's law(s)? thanks consider newtons first law. Then, consider friction on the tire on gravel, wet vs dry pavement. isn't it newton's 3rd... 
Science
where can I find info on diseases of the circulatory system??? Please help!!!! http://en.wikipedia.org/wiki/Cardiovascular_disease Please help! I need a good website for heat in science! I'm in 8grade and I need info on heat 
history/times zones
please check these 1. (a) If it is 12:00 noon, Greenwich time, what time is it in Moscow? 3:00 pm In Denver? 5:00 am 2. (a) If it is 1:00 am in the time zone where you live (atlanta, georgia), what time is it in karachi, pakistan? 11 pm In Guangzhou, China? 4 pm 2 (b) If it is... 
French 1
I am trying this again. Incomplete french say that the people do not the activities given. Here is what I did please check for me Thanks much 1 Julie/voyager Julie ne voyager pas 2. elles/etudier Elles ne pas etudier 3. il/habiter a Paris Il ne pas habiter a Paris 4. nous/...