Math/Physics
214,834 results, page 15

physics
frictional force 
physics
what is tripple point? 
Physics HELPPP
(0 m/s)^2  (23.7 m/s)^2 divided by 2(9.00 m/s)^2 ? 
physics
Can the sun expand 
Physics
If D=7i3j+2k. Find the magnitude of D 
Physics
A flywheel rotates 
Physics
How do you calculate tension 
Physics
What consumes when work is done 
Physics
What is specific heat 
Physics
What is the displacement of 45° SE 13 km and 20° NE 14 km?? (With Solution) 
biology
physics osmosis 
Physics
What is a fatigue fracture 
Physics
Brownian motion 
physics
If A=4i+3j2k, B=8i+6j4k then the angle would be? 
Physics
What is a time period 
physics
What is specific heat 
Physics
If E=mc^2, how does it relate to Ek+1/2 mv^2? How does it work when v = c? thanks 
physics
what is the upthrust equation? 
physics
do these cancel out and why/why not? S^2 = S^2 S^2 = S^2 
Physics
If s =at^2+bt+c. What is the correct units of a,b and c? 
physics
does anybody know how 5.26i13.81j = 14.78? 
physics
What does Vcm mean? 
Physics
Types of thermometer 
physics
what is the formula for work? 
physics
how to calculate acceleration 
Physics/Math
In the vector sum A + B = C , vector A has a magnitude of 13.1 m and is angled 49° counterclockwise from the +x direction, and vector C has a magnitude of 15.0 m and is angled 20.0° counterclockwise from the x direction. What are (a) the magnitude and (b) the direction (... 
Physics
What is the force of gravity at 220 miles above Earth's surface? Calculate how much of a g force the astronauts are actually experiencing. The solution for this math problem is a percentage. You can calculate it using the Algebraic equation: gr = R2/r2 x g R = the radius of ... 
Physics
Two cars, A and B, travel in a straight line. The distance of A from the starting point is given as a function of time by xA(t)=αt+βt^2, with α=2.60m/s and β=1.20m/s^2. The distance of B from the starting point is xB(t)=γt^2−δt^3, with γ... 
Physics  HELP! PLEASE
The problem is from fundamentals of physics 9th edition by halliday. Here is a free download of the book since I couldn't post the graph (I had to write out link since site doesn't allow links to be posted): tripplew period sendspace period com/file/shrz0x I am having trouble ... 
math
This table shows the numbers of students in different classes that are in the math club. Students in math club Boys / Girls Mrs.Smith 3 / 4 Ms.Jones 4 / 6 Mr.Brown 3 / 4 a. What fraction of the students in the math club are boys from Mrs. Smith’s class? b. What fraction of ... 
Physics/Math
What is the sum of the following four vectors in unitvector notation? For that sum, what are (b) the magnitude, (c) the angle in degrees, and (d) the angle in radians? E: 6.36 m at +0.90 rad F: 4.52 m at 75 ° G: 3.31 m at +1.20 rad H: 5.4 m at 210 ° [[[Warning! Make a ... 
Physics just verfiying an equation
hello, so i'm doing a physics project where I have found the following equation for centripetal force: Fcent=mrù^2 Where f= centripetal force m=mass r=radius ù=angular velocity my question is to make centripetal force greater, does that mean mass, radius and angular velocity... 
English
1. What's your favorite class? 2. It's math. 3. It's math class. 4. It's a math class. 5. My favorite class is math. Which are the right answers for the question? 6. What's your favorite subject? 7. It's math. (What about the question, #6? Is the question the same as question ... 
math
CAN YOU PLEASE ANSWER MY QUESTION "MATH" AND "math". 
math
What does the math term XOR stand for in math? 
Math
if you have a f in math what is the percent of the grade in math? 
statistics
Research reports a correlation of +0.8 between math achievement and math aptitude it also reports a correlation of 0.8 between math achievement and a math anxiety. Which interpretations is most c?orrect 
advanced math
I did the math for the previous problem I posted, using this formula: b+ or  the square root of b^24ac/2a. When I did this for x^2+2x1, I got 0/2. I did the math and the x and y intercept came out to be 2 and 2. But when I graphed this on my graphic calculator, the ... 
Probability
4.3. In a certain college town, 27.5 percent of the students failed Mathematics (Math), 19.8 percent failed Biology (Bio), and 11 percent failed both Math and Bio. A student is selected at random. Let A represent the event of failing Math, so that A' is the probability of ... 
How to get quick responses to your math questions
Math is a wide subject, ranging from K to 11, college and university. Then there is algebra, trigonometry, geometry, arithmetic, calculus, number theory, ... etc. Not all teachers answer all math questions (many do). If you would give a little more detail on which branch of ... 
physics
A person has far points 8.44cm from the right eye and 12.2cm from the left eye. WRite a presciption for the powers of the corrective lenses. Please help i tried to read to book and my notes but it doesnt show how to do this problem. http://www.owlnet.rice.edu/~phys126/Labs/... 
math
In a local college, 60% of the math majors are women. Fifteen math majors are chosen at random. 
Math
Match the math sentences that count up and back by tens. 47+40=88 57+30=87 46+10=56 5610=46 8740=47 8730=57 Write the matching math sentences. 
Physics
Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 2.05 m/s. Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a height 43.9 m above the... 
physics
Find the minimum diameter of a 51.5mlong nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is suspended from its lower end. Assume that Ynylon = 3.51·10^8 N/m2 physics  bobpursley, Saturday, October 29, 2011 at 10:32am Hookes Law: elongation= force... 
Physics/chem
Trying to beat the heat of summer, a physics grad student went to the local toy store and purchased a child's plastic swimming pool. Upon returning home, he filled it with 154 liters of water at 25°C. Realizing that the water would probably not be cool enough, he threw ice ... 
Physics  Frequency
This is in reply to a previous post, I'm not really sure whether replies to posts that are several days old are viewed by anyone, so I'm reposting just in case. In reply to bobpursley's post, I just want to ask, how would you know how long it takes for the sound to reach you? ... 
Physics (Science)
Hi, For my physics class, we have to design our own experiments to calculate the amount of power exerted for each situation. However, I'm really unsure of how to go about finding the power for the situations. The first situation is doing a pushup, and the second is pushing a ... 
PHYSICS
In a physics lab experiment, a student immersed 205 onecent coins (each having a mass of 3.00 g *.003kg) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.244 kg of water at 20.0 C in an insulated container of ... 
College Physics
The rotor is an amusement park ride where people stand against the inside of a cylinder. Once the cylinder is spinning fast enough, the floor drops out. AWhat force keeps the people from falling out the bottowm of the ride? I think that it's the Normal force? BIf the ... 
math
A physics test has twenty questions worth 100 points. The test consists of true /false questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions are on the test ? 
English
Which class are you in? 1. I'm in class 12. (I am a member of Calss 12. In the classroom, there are 30 students.) 2. I'm in math class. (I'm listening to the math teacher. It's time for studying math.) ==================== What is the answer to the question, #1 or #2? 
physics As
The table below shows how the braking distance x for a car depends on its initial speed u u / ms1 5.0 10 20 4 x / m 2.0 8.0 32 128 the reaction time of a driver is 0.60s. Calculate the sopping distance of the car when u= 30ms1. The mark scheme says: Thinking distance= 30 X 0... 
physics
I have another question for the problem below, so What is the speed of the car just before it lands safely on the other side? would it be the same 38.6 meters/sec A 10,000N car comes to a bridge during a storm and finds the bridge washed out. The 650N driver must get to the ... 
physics
I have another question for the problem below, so What is the speed of the car just before it lands safely on the other side? would it be the same 38.6 meters/sec A 10,000N car comes to a bridge during a storm and finds the bridge washed out. The 650N driver must get to the ... 
physics
I have another question for the problem below, so What is the speed of the car just before it lands safely on the other side? would it be the same 38.6 meters/sec A 10,000N car comes to a bridge during a storm and finds the bridge washed out. The 650N driver must get to the ... 
Physics
Note: I am in Alegebrabased Physics. You have landed on an unknown planet, Newtonia, and want to know what objects will weigh there. You find that when a certain tool is pushed on a frictionless horizontal surface by a 12.2 N force, it moves 16.3 m in the first 2.30 s, ... 
EASY PHYSICS
WHAT ARE EQUIPOTENTIAL LINES? 
physics
how do i find angular acceleration? 
Physics
How is intensity related to amplitude? 
Physics
What are the effects of radation on humans? 
Physics
How do you know if a quadratic is a perfect square? 
physics
how is dissociation and ionization similar 
Physics
When the direction is 30degrees N of E is it E30degreesN? 
physics
What is a aneroid barometer and a manometer ? 
physics
Refraction happens when a wave does what 
Physics
How do you convert kilograms to Newtons? 
Physics
What are the features of electromagnetic waves? 
physics
What model is the basis for chemistry? 
physics
what is the energy of motion called? 
physics
how do you find the volume of a pyrimid ? 
Physics
Discuss the P.E. and K.E. of a pendelum swing. 
science(physics)
What is applied force? 
Physics
What is the energy of this type of radiation: 6.32 x 10^20 s^1 ? 
Physics
does any one know the equations for vectors? 
11th grade physics
bob where r u !!! 
physics
The horizontal acceleration of a projectile is what? 
physics
does anyone know the fundamentals of measure units?? thank you 
Physics  continued
Would it be sq(2ks^2/m)? 
PHYSICS
HOW ARE FORCE AND MASS RELATED. 
physics
please my post from earlier 
physics
why woods do not radiate electricity? 
Physics
what is the speed of an object at rest? 
physics
tiny.cc[slash]cTtCg 
Physics
how many rollers coasters are there in florida? 
physics
where friction is a nuisance on a bike? 
physics
how to make an electric car 
physics
What does a pilot do to the wings when he/she wants to land? 
physics
Find the center of mass where m1 = 6.9 kg and m2 = 2.1 kg. 
physics
Given: At 440 m/s, lambda of 22.2 mm, f=............Hz 
Physics
Alright i can not get this question i'm confused 
physics
how to you figure momentum and velocity 
Physics
I need to solve this equation. 3E 9 N / 1.25 E 19 C I do not know what to do with the 9 and 19. 
physics
what are some questions on momentum? 
physics
what are some questions on work? 
physics
what are nonrenewable energy sources? 
physics
convert 120 cm to meters 
Physics
How many electrons make up a charge of 30.0 ìC? 
Physics
A centripetal force acts 
Physics
Wave amplitude is related to what?