physics please HELP !
130,869 results, page 62

VOCABULARY
WRITE A BRIEF SPEECH IN WHICH YOU SUMMARIZE THE STORY OF RINGL AND PIT, USING IT AS AN INSPIRING ANECDOTE TO SHOW YOUR AUDIENCE THAT THEY TOO CAN OVERCOME DIFFICULT CIRCUMSTANCES . USE AT LEAST TWO DETAILS FROM THE PASSAGE AND THEREE UNIT WORDS TO SUPPORT YOUR POINTS ? YES I ... 
Chemistry
Hi, I am totally confused with this chemistry because none of this stuff is in my book, so I come to the great ones with my question: 1. Can you show me how to convert celsius to farenheit (please show me an example and your work so I can get it please) 2. farenheit to kelvin... 
Bailey
I can't figure this out. Please help! Estimate 16 20/21 * 28 3/7  4 13/25 + 8 2/47 as a whole number or as a mixed number where the fractional part is 1/2 Someone please help! 17 * 28  5 + 8 would give you an estimate. However, since you don't have parentheses (), I don't ... 
english
Please help me ive been trying to figure this out, but I DO NOT understand it...I do not understand what an embedded sentence is We have to find the embedded sentences in: I deplore the fact that bats have wings. That Guinevere loves Lorian is known to all my friends. please ... 
To Derr
You have made a couple of uncalled for comments to a couple of questions. Your remarks are not only not necessary but they take away our time in reading them to know they are nonsense. This board tries to help students. You are helping; please desist with the spurious comments... 
year 8 RE  re teachers
Please could someone help me with my re homework. i need to write an essay.this is the question: Show how religious beliefs and practices may be connected to the needs and concerns of people living at different times and in different situations. Please could you explain what ... 
Pratigya
Please translate all this French into English. Please don't write the answer all together (squished together). Leave space, like I did.Thanks. On passe un bon film au Gaumont On y va? Pas possible j'etudie pour l'nterro demain d'accord alors a demain 
Science 9
Please help, i really don't understand what this question means, in what s Videos Maps News Gmail More Stephanie Chu order are ions named in an ionic compound: negative ion followed by positive ion or postive followed by negative. Please no links, i already tried that . 
AQA Mechanics (M1), Statics and forces,please help
The diagram shows a cylinder of mass 20 kg lying at rest on two smooth planes inclined at angles of 40 degree and 50 degree to the horizontal. Calculate the reaction force exerted by the planes on the cylinder. For digram, please click the following link 
south carolina history
explain how attacks by abolitionists strengthened sectionalism in the south. please help i have no clue on what to write to get full credit or at least 2 out of 3 credit please help me all i need is like a artical on this but if you could give me like a sentience than that ... 
English (Please check Ms. Sue)
Please check this. Thanks! Imagine you are writing are research paper on Margaret Atwood's feminist ideas. Which of the following sources would you consider a secondary source? a. an interview with the author b. Margaret Atwood's The Penelopiad c. an essay about feminism in ... 
Biology Help Please!
Bacterial Gene Transfer  Conjugation Please Clarify These Questions For Me! 1) Explain the purpose of the controls used in the mating experiment 2) It is necessary to make dilutions prior to plating in Week 1 in order to obtain single colonies. Why are single colonies ... 
English
Please help “In any case you mustn’t confuse a single failure with a final defeat.” Use this quote for the following Explain why the quote moves you or should inspire others. Explain why the quote is important. Tell the ways in which the quote is empowering. Please ... 
Alegebra
Triangle ABC is dilated with a center at the origin and a scale factor of 2. (Picture showing the coordinates A(2,2) B(1,3) C(1,0) What are the coordinates of triangle ABC? Also, please don't give me the answer but can someone please explain to me how you would figure this ... 
Physics  2D kinematics
A soccer ball is kicked with an initial horizontal velocity of 20 m/s and an initial vertical velocity of 16 m/s. I've calculated: Initial Speed: 25.61 m/s Angle: 38.66 degrees Maximum Height it reaches: 13.06 m Distance kicked: 65.29m NOW I NEED: What is the speed of the ball... 
Physics
At a factory, a noon whistle is sounding with a frequency of 480 Hz. As a car traveling at 85 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the change in frequency ff − fi... 
physics
Can you please help me with this question? A person is flying through space with person B exactly 186000 miles behind. When person A wants to accelerate, he uses a flashlight to signal person B.This means they accelerate together and remain exactly 186000miles apart. Person A ... 
physics SHM
A particle is moving with SHM of period 16s and amplitude 10m. Find the speed of the particle when it is 6.0m from its equilibrium position. First I found the value of w: w= 2 pi/ T = 2 pie/ 16 =0.393 s^1 Then I used: v= +/ w root a^2  x^2 = +/ 0.393 root 10^2  6^2 = 3.14... 
physics help!!
a 3.5 kg dog stands on a 21 kg flatboat at distance D = 6.1 m from the shore. It walks 2.3 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find how far the dog is then from the shore. I thought i have the right equation but my... 
Physics
A shell is launched at 140 m/s 56.0 degrees above the horizontal. When it has reached its highest point, it launches a projectile at a velocity of 110 m/s 35.0 degrees above the horizontal relative to the shell. 1) Find the maximum height (in m) about the ground that the ... 
Physics Capacitance
Three uncharged capacitors, X, Y, Z, each with capacitance of 12uF each are connected A[X][Y/Z]B *Y&Z is parallel to each other* A potential difference of 9.0V is applied between points A and B. Explain why when the potential difference of 9.0V is ... 
physics As
The current carriers in a piece of semiconducting material have a charge of 1.6 x 10^19C. Calculate the number of charge carriers entering the material per second when the current is 3 microamps so 3 x 10^6 amps. ? Please help and do it step by step all parts of questions ... 
As physics
The current carriers in a piece of semiconducting material have a charge of 1.6 x 10^19C. Calculate the number of charge carriers entering the material per second when the current is 3 microamps so 3 x 10^6 amps. ? Please help and do it step by step all parts of questions ... 
Physics
Can someone please tell me if I've approached this homework problem correctly. A boy is running at his best speed of 6.0 m/s to catch a bus stopped at the lights. When he is 16 m from the bus, the light goes green and the bus pulls away at an acceleration of 1.0 m/s/s. Does he... 
Magnetic Field Forces: Physics
A uniform magnetic field points north; its magnitude is 3.5 T. A proton with kinetic energy 6.0 × 1013 J is moving vertically downward in this field. What is the magnetic force acting on it? This is what I've done. The answer is incorrect. Please help me find out why. 3.5T ... 
physics help please
The lecturer with a monotone voice of 440 Hz and you are both 2m away from the long, smooth and tall wall. You will hear sound that comes directly to you from the lecturer along with sound that comes back from the wall on it’s way to reaching you. You need the path here ... 
physics
Physics students ride the Power Tower at Cedar Point. The drop only takes 5.53 seconds until the car brakes. What was the height in meters that these brave students dropped? Thanks 
PHYSICS
Give at least one example of an application of each branch: motion properties of materials sound light electricity magnetism properties of atoms nuclear physics Dont understand this. 
physics
A student of mass 64.7 kg climbs up the stairs in the Physics Department, with a vertical height change 3.1 metres. What is the change in gravitational potential energy? Give your answer in Joules, to 2 significant figures. 
Geography
Some time ago, I posted up an essay that I had to write but its information was out of my book so i was told to make it in my own words. I have to mail out the exam today and I still havn't gotten anywhere with it!! I've tried to understand each of the sentences but when I try... 
PHYSICS! HELP PLEASE
A shopper pushes a cart 43 m south down one aisle and then turns 90.0° west and moves 15 m. He then makes another 90.0° turn and moves 10 m. (a) What is the largest possible displacement of the shopper? ______ m _____° counterclockwise from west (b) What is the smallest ... 
physic
Need Help please. Consider the following mass distribution where the x and y coordinates are given in meters: 5.0 kg at (0.0, 0.0) m, 3.0 kg at (0.0, 4.3) m, and 4.0 kg at (2.8, 0.0) m. Where should a fourth object of 8.2 kg be placed so the center of gravity of the four... 
History Please Please
The agricultural revolution occurred at different time and in different places around the world. In most regions it happened in river valleys, as it did in the Near East. Focus your attention on the similarity of the locations of Mesopotamia and Egypt. Why did farming peoples... 
BIO PLEASE HELP!
Identify the Protist and explain why you think it is what you said. We took dead leaves from outside, put them in boiling water then looked at them a week later. Link to image below! LINK: postimg. org/image/gu1201se9/ Ive attempted to look everywhere but i can't find a math ... 
Algebra Pythagorean Theorem
Can you please help me answer these and explain? Please? Determine whether the given lengths can be side lengths of a right triangle. 1) 6ft, 10ft, 12ft 2) 10in, 24in, 26in 3) 20m, 21m, 29m 4) 15cm, 17cm, 21cm 5) 14ft, 22.5ft, 26.5ft 6) 12yd, 35yd, 38yd 
I need help please  PreCalc
Using the graph of y=cos(x), list all values of x on the interval [11π/3,11π/6] that satisfy the ordered pair of (x,1/radical2).  List all the values of (x,1/radical2) (Type an exact answer using π as needed. Use a comma to separate answers as needed. Use ... 
physics
can anyone please help me on this one? A circular coil (980 turns, radius = 0.078 m) is rotating in a uniform magnetic field. At t = 0 s, the normal to the coil is perpendicular to the magnetic field. At t = 0.027 s, the normal makes an angle of 45 degrees with the field ... 
Physics
Physics Report! What should i write..please help me need ideas !best answer!? Well First my report should be focused on Circular Motion OR Energy and momentum All the report says is to spend a day or two analysing the world around you in terms of Linear Motion / Newton's Laws... 
physics ( please help me)
A 2.00kg block is pushed against a spring with force constant k=400N(m^1), compressing it 0.180m. The block is then released and moves along a frictionless horizontal surface and then up frictionless incline with slope angle 37.0degrees. a. What is the speed of the block as ... 
Physics
In a lightning bolt, a large amount of charge flows during a time of 2.2 103 s. Assume that the bolt can be treated as a long, straight line of current. At a perpendicular distance of 28 m from the bolt, a magnetic field of 7.3 105 T is measured. How much charge has flowed ... 
Physics
Hello, I really don't get something about work and I would like that someone help me, Please. .. Well I have an exercise about two objects that are connected by an ideal rope that pass through a pulley that has a moment of inertia, so my problem is: when I use "energy" to get ... 
As physics
There is a right angle triangle: . ... ...... ......... T (wire) ............ ...............  30 degrees ..............rod... 
physics
A sample of lead with a mass of 1.45kg is heated until it reaches its melting point at 330C. The lead is then heated further until it has entirely melted. During this process the lead absorbs a total of 4.46 104J as heat. What is the temperature at which the lead is initially ... 
precal
Solve. (sqrt. x + 1)  (sqrt. 2x 12) = 1 The answers I reached were x = 8 and 24. If you plug in 8, you will get 1 as an answer. If you plug in 24, however, you will not get 1 as an answer. Please see if 8 is the only solution. If not, please show me how to solve to find the ... 
chemistry. please help!!!
A voltaic cell is constructed based on the following reaction and initial concentrations: Fe2+ (0.0050M) + Ag+ (2.2M) > Fe3+ (0.0050M) + Ag(s) calculate [Fe2+] when the cell reaction reaches equilbrium i'm so confused. please help. thank you! 
ScienceSpace
Compare Earth and the moon in terms of size and surface gravity.Explain please. What is the relationship between the moon's surface gravity, lack of an atmosphere, and temperature range? Explain please! 
calculusplease help!!
find the complete zeros of the polynomial function. Write f in factored form. f(x)=3x^410x^312x^2+122x39 **Use the complex zeros to write f in factored form.** f(x)= Please show work 
Math help on profit/loss
Please help? DId I find the amount of profit or loss of each month? I see I only found the loss. Please help. January  Income $40,520 Expenses $35,080 = Profit/Loss $5,440 How do I figure the profit? 
History HELP FAST PLEASE
which of the following is not required of georgia state senators? A) must be 25 years old B) must be a legal resident of georgia C) must have a college degree D) must have U.S. citizenship PLEASE HELP 
Please help math!
There are two 30 degree angles. One is pointing southwest, one is pointing northeast.What are these pair of angles? A. adjacent B. complementary C. supplementary d. non of these I don't know if it is A or D, please help! And, I don't think it's a complementary because it has ... 
Math (NEED HELP NOW PLEASE)
During the basketball game, Jen made 4 times as many shots as she missed. If she made 12 shots, how many shots did she miss? My guess: 3 * 4 = 12 shots total so 3 are missed. I do not want to teach this wrong. Please help. 
Math
Jo's mother bought some fabric in a sale.She bought 2 1/2m white,3 1/4m red and 1 3/8 blue material. A.How much material did she buy in all? B.If the material costs $72 per meter,how much money did she spend? Please as soon as you get both answers could you please post it.Thanks 
math
alan, gil, and deb's point in a video game was in the ratio 2:3:4.deb scored 114400 points. how many points did gill score? how many points did they score in all PLEASE HELP but can you make your answer so that I can understand I am in 6th grade but I am not the that smart, ... 
Algebra
Please I need some help for this problem below please show the full solution thanks:Two angles of a triangle have the same measure and the third one is 51 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle. 
Math
1) A single subway token costs $2.25 a machine dispenses eight tokens for $15.00 if you need eight tokens, how much would u save buying the tokens from the machine? 2) A carpenter charged 1455.98 for materials plus $35.75 per hour for 22.5 hours off labor. what was the total ... 
connection academy math
In the diagram below, jill lives on street q and samantha lives on street r. Since street p is a transveral for streers q and r. which term describes the location of the angle of samanthas friends' house? Please,please help if you have the answers to this whole test or this ... 
La
What is the secret to reaching someone with words?which of the columns "concrete mixers" or "the city is so big" or "Harlem night" song best use his words to create a vision or an idea of the city for you in the paragraph state your opinion into port it with words and phrases ... 
geometry
Triangle ABC is congruent to triangle DEF. If the length of AB is 12 feet and the length of AC is 10 feet. Find the length of DE. can someone please help me on this question please and thank youu :) 
PreCalculusPlease check
Please check: 1.Find polar equation of x^2 + y^2 = 10y subbed r^2 for x^2 + y^2 and sin(theta sin for y =r^2=10sin(theta) 2. y=5 r=5/sin 3. x^2+y^2 =x^2 + y^2 =2x+3y 
math help please
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y = –1/4x + 10 –2x + 8y = 6 parallel perpendicular neither I think its neither ? please help me understand... 
math help please
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y = –1/4x + 10 –2x + 8y = 6 parallel perpendicular neither I think its neither ? please help me understand... 
GEOMETRY HELPPPPP MEEEE PLEASSEEEEE!!!
Find the lengths of the diagonals of this trapezoid. trapezoid on a graph with points (a,0), (b,c), (b,c), (a,0) negative a and b are on the left side (a is on bottom and b is on top) and positive a and b are on the right side (a is on bottom and b is on top) please please ... 
Please proofread my essay
Could you please proofread my agumentive essay. Thanxs! Who Is An American? 
Algebra: Please Help
1. Multiply: (2)(4)(6) answer: 48 2. Multiply: (6m)(2)(3n) answer: 36mn are these right? please help 
MATH
Look at this inequality 4m9<2m3 Solve the inequality for m. PLEASE HELP ME! CAN YOU PLEASE DO IT STEP BY STEP? 
Trig
prove(sinx/cosx+1)+(cosx1/sinx)=0 Please help asap!!!!! PLEASE 
languagge
What is reported speech? What are the different types of reported speech? Please help me A.S.A.P please and thank you :) 
Physics
Holding a glass of water filled to a depth of 7.8 cm you step into an elevator. The elevator moves upward with constant acceleration, increasing its speed from zero to 2.2 m/s in 3.1 s. Find the change in pressure exerted on the bottom of the glass during the time the elevator... 
physics
Please reference the illustration at screenshots<dot>firefox<dot>com/fDDGSaztdbf0b7Uh/brilliant<dot>org for the following problem: A bunch of bananas of total weight W is hung at one end of a string passing over a perfectly smooth pulley. At the other end, a ... 
mastering physics
A lunar lander is descending toward the moon's surface. Until the lander reaches the surface, its height above the surface of the moon is given by y\left( t \right) = b  ct + dt^2, where b = 740 m is the initial height of the lander above the surface, c = 64.0 m/s, and d = 1.... 
Math
I need help with a few problems. Please help. Perform the indicated operation. 13  (22) _______________ 11  (11) A)9/22 B) 450 C)13/11 D)Undefined Multiply (4)(–5)(10). Find the reciprocal of (1/5) (15) Find the receiprocal of (1/3)(9/2)(6) Perform the indicated ... 
Math
If a square of x multiple cm multiple x multiple cm is removed from the corner of 20cm multiple 20cm paper, write down an equation which will represent the volume of the box made from the remaining paper. Please help me please . 
Math please help
I am looking at this question and I'm completely spacing how to do it I am looking in my book and I still have no idea how I do it. Explain how to write a function rule from the table below. Then write a function rule. X24 6 Y101 Please help Thank you 
Physics
ohn and Jack are planning to do a physics lab related to vectors. Starting at the door of their physics classroom, they walk 2.0 meters, south. They make a right hand turn and walk 16.0 meters, west. They turn right again and walk 24.0 meters, north. They then turn left and ... 
physicsbobpursley/drwls
Good morning! I just wanted to say thank you for all of your help. This was my first time taking Physics ever and it was like a foreign language to me. For a long time during this semester I had an "F" average, because of you both I have passed my physics class with a "C". ... 
Health care please check my answer
Please check my answer thanks What does term Apex represent . A 65 year old has a murmor over the apex of the heart. A. tip B. nearest the middle C. front D. Back I think it is A tip 
mathPLEASE CHECK AND HELP
find the surface area and volume of the right circular cylinder. The radius is 3 and height 6. This is what I put for volume: v=pir^2h pi(3cm)^2 6 cm= 54pi cm cubed can you please check this and show work on how to do the surface area? Thanks. 
PreCalcplease check
Please check this for me expand (3z2b)^5 using Binomial Theorem (a+b)^n = n on top sigma in middle k=0 to right (n/k)a^(nk)b^k (3a2b)^5 = 5 on top sigma in middle k=0 on bottom(5/k)(3a)^5k(2b)^k (5/0)(3a)^5(2b)^0+(5/1)(3a)^4(2b)^1 +(5/2)(3a)^3(2b)^2 +(5/3)(3a)^2(2b)^3... 
calculus. please helppp!!
1.) values of f(t) are given in the following table: t 0 2 4 6 8 10 f(t) 137 112 88 68 49 34 Estimate (f prime) f^' (2) and f^' (8) Please show work so I can understand. I'm really stuck. if the table comes out messed up, the values are: (0, 137) (2, 112) (4, 88) (6, 68) (8, ... 
Geometry
I need to do an assignment where I find two cereal boxes that have the same volume but differ in surface area? Can someone please tell me when I'm looking at the boxes what I need to be looking at to compare these two things please? Thank you! 
Algebra please help
1 hour= 3,600 seconds and 1 mile=5,280 feet. Make a conjecture about how you would convert a speed of 15 miles per hour to feet per second. Then convert. Please help answer thx 
Math please help
Colombian coffee beans cost $5.50/lb while Peruvian coffee beans cost $4.25/lb. We want to mix the beans together so as to produce a 40 lb bag costing $4.60/ lb. How many pounds of each type of beans shouold be used ? Please help and show work 
PHYSICS (PLEASE HELP ME ASAP)
At a temperature of 18.0°C of 23.0cm^3 of a certain gas occupies has pressure of 103 kPa. (a) What volume would the gas occupy at a temperature of 0.00°C and pressure of 101kPa? (b) 1.00 moles of a certain gas occupies a volume of 22.4 litres at 0.00°C and 101325 Pa. Show ... 
Physics
Any ideal gas temperature may be written as T = Ti*r where Ti=temp at ice point and r = lim(P/Pi) at constant V. Show that the fractional error in T is dT/T = dr/r + 3.73 drs/rs where r s = lim(Ps/Pi) at constant V. Ps is pressure at steam and Pi is pressure at ice point. Also... 
PLEASE HELP PHYSICS
True or False 1. The frequency of the wave can be changed by changing the frequency at which the waves are generated 2. Two crests are out of phase with each other. A crest and a trough are in phase with eachother 3. When a wave reaches the boundary of a new medium, part of ... 
physics
A kayaker paddles at 4.0 m/s in a direction 30° south of west. He then turns and paddles at 3.7 m/s in a direction 20° west of south. I know the formulas but having trouble figuring out the degree of angle. Ax=4(cos30)= 3.4641 Ay=4(sin30)= 2 Bx=3.7(cos20)= 3.477 By=3.7 (... 
Physics
What is the difference between an inelastic and an elastic collision? What does kinetic energy have to do with all of this? Give an explanation that explains the role of momentum, kinetic energy, and such in collisions. I think elastic collisions is when the things bounce of ... 
Physics
please check these: which of the following is an example of a vector quantity? a. velocity b. temperature c. volume d. mass i picked A identify as vecor or scalar 1. speed of a snailvector 2. the time it takes to run a milescal 3. the freefall acclerationvector 3. ... 
physics
need HELP!! which of the following exhibits parabolic motion a. stone thrown into a lake b. space shuttle orbiting Earth c. leaf falling from a tree d. train moving along a flat track which of the following does NOT exhibits parabolic motion a. frog jumpping from land into ... 
PhysicsPlease help
I have a question about the International Space StationIts been orbiting earth at 350kmIf the radius of the earth is 6,370 km, what is the period of orbit for the Space Station? Secondly, if it was moved to a geosynchronous orbit, what would the new altitude of the station ... 
Physics
I need major help with this please!!! On a safari, a team of naturalists sets out toward a research station located 6.9 km away in a direction 42° north of east. After traveling in a straight line for 2.1 km, they stop and discover that they have been traveling 22° north of ... 
math
MS. SUE PLEASE I NEED YOUR HELP! The attendance records for four Major League baseball teams for 2011 are shown below. Florida Marlins: 6.76 * 10^5 Los Angeles Angels: 1.26 * 10^6 Pittsburgh Pirates: 9.78 * 10^5 Chicago Cubs: 1.87 * 10^6 Which team had the greatest attendance... 
Physics :(( help please TT
I have a length of string and I want to know the maximum tension the string can support. I tie one end of the string to the ceiling and the other end to a glass of mass 100 g. The glass is cylindrical, with a crosssectional radius of 4 cm and a height of 15 cm. I fill the ... 
english/vocabulary
can you please help me on word study with writing with idioms ? 1. sick as a dog 2. the best of both worlds 3. under the weather 4. nest eggs 5. when pigs fly 6. slip through the cracks 7. go to seed 8 . thorn in your side 9. turn over a new leaf 10. fifth wheel 11. pitch in ... 
physics please help
A drum (see Figure 10.2) has a radius of 0.40 m and a moment of inertia of 2.3 kg ∙ m2. The frictional torque of the drum axle is A 14 m length of rope is wound around the rim. The drum is initially at rest. A constant force is applied to the free end of the rope until ... 
Physics Physics Physics...
A billiard ball traveling at 3.8 m/s has an elastic headon collision with a billiard ball of equal mass that is initially at rest. The first ball is at rest after the collision. What is the speed of the second ball after the collision? 
PHYSICS (REALLY DIFFICULT PLEASE HELP)
At a temperature of 18.0°C of 23.0cm^3 of a certain gas occupies has pressure of 103 kPa. (a) What volume would the gas occupy at a temperature of 0.00°C and pressure of 101kPa? (b) 1.00 moles of a certain gas occupies a volume of 22.4 litres at 0.00°C and 101325 Pa. Show ... 
Physics Urgent please help
A physical pendulum consists of a body of mass contained in the xyplane. The moment of inertia of the object about an axis perpendicular to the plane and passing through the object's center of mass is I_cm . The object oscillates in the xyplane about the point S a distance d... 
Physics please HELP
An insulating sphere of mass m and positive charge q is attached to a spring with length h and spring constant k_s and is at equilibrium. An infinitely long wire with positive linear charge density lamda is placed a distance l away from the charged mass at equilibrium as shown... 
Physics
A 850.0kg car travelling on a level road at 27.0 m/s (60.5 mi/hr) can stop, locking its wheels, in a distance of 61.0 m (200.1 ft). (a) Find the size of the horizontal force which the car applies on the road while stopping. (b) Find the stopping distance of that same car when...