# Math/Physics

209,467 results, page 15

### English

Which class are you in? 1. I'm in class 1-2. (I am a member of Calss 1-2. 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

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 ...

### 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...

### 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/...

### 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. A-What force keeps the people from falling out the bottowm of the ride? I think that it's the Normal force? B-If the ...

### 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...

### 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 ?

### physics

Find the minimum diameter of a 51.5-m-long 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 push-up, and the second is pushing a ...

### PHYSICS

In a physics lab experiment, a student immersed 205 one-cent 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 ...

### Math/Physics

Two kg of water at a temperature of 50 degrees C have 485.3 kJ of heat transferred from them, resulting in a mixture of ice/water at 0 degrees C. What is the composition of the mixture? This is what I did and would like verification of my answer. 2*4.183*-50 = -418.3 kJ I then...

### explaining math problems

It is hard for me to figure out it the math sentence is + - x divide. What list of words am I looking for to find out the promblem in a math problem sentences. And what free websites can I go online and quiz myself if I am getting it. thank you avie

### English Grammar

He is a math teacher. He is a Math teacher. Do I have to capitalize Math or not? are both OK?

### physics As

The table below shows how the braking distance x for a car depends on its initial speed u u / ms-1 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= 30ms-1. 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 650-N 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 650-N 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 650-N driver must get to the ...

### Physics

Note: I am in Alegebra-based 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?

### Physics

light may be considered to travel as a ? or a ?

### physics

As wavelength decreases, energy ?

### AP Physics

K=1/2kx^2 solve for the variable x

### AP Physics

qV=1/2mv^2, solve for the variable v

### Physics

..........is consumed whenever work is done.

### physics

If your mass is 56 m/s, what is your acceleration? ____m/s

### physics

how do i convert my weight to Newtons?

### physics

is fluid pressure constant?

### Physics

why can a submarine hang in water

### Physics

is a collision an example of an interaction?

### physics

how many lunar radii are in one AU?

### physics

what are the units for speed and gravity?

### Physics

Describe how an electroscope works?

### physics

How to do worksheet on projectiles and horizontally

### physics

what is the mass of black whole?

### Physics

What's earth's rotation period?

### physics

what is the maximum acceleration equation?

### physics

is a neon light a fluid?

### physics

what is the formula of frequency w.r.t to waves

### physics

what is the formula of frequency w.r.t to waves ?

### Physics

A 18 N object moves 1 m/s. Its KE is ______ J.

### Physics

The momentum of a 5 kg thrown 3 m/s is _________ kg m/s.

### physics

importance for significant of figures

### physics

(5m/s)t+ (0.75m/s3)t3 what shape is the graph?

### physics

how does a cardboard boat float?

### modern physics

What is the energy equivalent of 2 e V?

### Physics

What is the path of satellite called?

### Physics

What is the path of satellite called?

### physics

Convert 8,480 min to d?

### physics

What is speed of light in air

### physics

how friction help in opposing a football

### physics

how to calculate the speed of escalator

### physics

How many electrons does a 3.05 kg of water have?

### physics

if p=k/v, what happens to v if p is doubled? please help me. :)

### physics

is there is error in accurate value?why