# Math/Physics

207,579 results, page 32

### Physics

Why does the central maximum of a diffraction pattern is twice as long as any other? Thank you

### Science (physics)

I need to know how to build a catapult. I have no idea of where to start.

### physics

what is the initial velocity (Vyo) of a projectile launched horizontally? why? i know that it is 0 m/s, but i don't know why/how to explain it.

### physics

Is it possible for a collision to occur in which all of the kinetic energy is lost?

### physics

245kg=????ug I do not know how to change this to ug so if anyone could please show me how I would really appreciate it.

### physics

if the pulling force P is 150 N and the crate dosent move, what is the magnitude of f

### Physics-Rutherford

Can you please give me a brief explanation of Rutherfords experiment?

### Physics

The average radius of the earth is 6.38*10^6m. Is the diameter just twice that or 12.8*10^6m. The circumference is 6.28(6.38*10^6)=40.1*10^6m

### Physics

Find the gravitational force between the sun and the earth in newtons?

### Physics/chemistry

Describe the partcle Theory of a HOt air Balloon?

### Physics

If you weighed 112 N on the Moon where g=1.6N/kg, how much would you weigh on Earth?

### Physics

(dwrls) If it is $ .20 $/kWh x 10kWh = Would it cost $2.00 per hour?

### Physics

what is the amount of gravity im m/s on each planet in the solar system. I need to know by Wednesday. Thanks

### Physics

The energy of a photon is directly proportional to its..... I think it may be frequency. Is that correct?

### Physics

In the photoelectric effect, what determines the kinetic energy of the ejected electrons?

### PHYSICS

Calculate the power output of a 1.3-g fly as it walks straight up a windowpane at 2.5 cm/s

### Physics

How can elements with low atomic numbers have so many spectral lines?

### Physics check

In 1906, J. J. Thomson won the Nobel Prize for the discovery of the ..... electron?

### Physics

What does wave interference have to do with the electron energy levels in an atom?

### physics

How would you do this? The K is 25.0 N/M The spring's max amount of elastic potential energy?

### physics

How would you do this? The K is 25.0 N/M The spring's max amount of elastic potential energy?

### physics

what 2 factors determine the size of the force of gravity? & what is the relationship between them?

### physics

how do you compare mass and weight on the earth, moon, and outer space?

### physics

i was just wondering what approx is the change in PE in J when standing up from your chair and the KE when walking in J.

### physics

i was just wondering what approx is the change in PE in J when standing up from your chair and the KE when walking in J.

### Physics

What is the speed of an electromagnetic wave that has a frequency of 7.8 x 10^6 Hz? How would I solve this problem?

### physics

what will happen to a block of iron with a whole in the middle if put in oven

### physics

Explain how the pitch of the roaring sound relates to the length of the tube.

### physics

How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2?

### Grade 11 Physics

Rearrange the equation : d=v2t - 1/2at(squared) to solve for a

### physics

An object is thrown vertically upward with a speed of 19.1 m/s. How high does it rise?

### physics

In Harmonic Motion how does the value of g affect the time period of a pendulum?

### Physics

Does the velocity of a model rocket increase or decrease when the parachute is deployed?

### Physics

When a spring is fully extended is the kinetic energy high or low? Why?

### physics

At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?

### physics

At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?

### Science - gr. 10 physics

How do you find displacement when given a velocity/time graph?

### Physics

Why does a pencil look broken if you hold it at an angle in a beaker of water?

### Physics

How far does a photon (light) move in one nm in units of feet?

### Physics

How large is the current U.S. depth and the trade deficit in exponential notation?

### Physics

How is Snell's law being used in real life application?

### Physics

Why does frequancy stay the same when going through different mediums?

### physics

If the planes mass with them in it was 318kg, calculate the force due to weight?

### physics

why does the total mechanical energy on a roller coaster stay the same?

### physics

What is the momentum of a proton travelling at v = 0.95c in the x-direction in the reference frame?

### physics

a = m2^-1 (m1 a) -g solve for acceleartion it's the same post below they cancel out

### Physics

Is mass the one and only thing that produces a gravitional force???

### Physics (algebra bit)

rearanging V^2 = Vo^2 + 2 a (X - Xo) for V gives me V = (Vo^2 + 2 a (X - Xo))^(2^-1) or this V = (Vo + 2 a (X - Xo))^(2^-1) How come Vo^2 dosen't become Vo

### physics

What is the magnitude of the acceleration of a sprinter running at 9.0 m/s when rounding a turn of a radius 26 m?

### college physics

the question is that what happened when the ozone layer becomes destroyed?

### Physics

How many meters does a bug fly in 1120 seconds if it travels at 1 cm/sec.?

### Physics

What do we call the combinations of all forces that act on an object? I really do not know this!

### physics

What is the wavelength of the higher frequency limit (18 megahertz) in dry air at 0 C?

### physics

What is the distance traveled in 22 s as a given sound moves through seawater at 25 C?

### physics

What is the distance travelled in 22 s as a given sound moves through steel?

### physics

Please show me how to derive the relativist mass formula: m = m0 / sqrt(1 - v^2/c^2)?

### physics

an apple weighs about 1N. what is its mass in kilograms ? what is its weight in pounds?

### Physics

14. Which of the following wavelengths will produce standing waves on a string that is 3.5 m long? a. 1.75 m b. 3.5 m c. 5.0 m d. 7.0 m

### Physics

The voltage across a 10-ohm resistor carrying 3 amps must be?

### physics

At what temperature do the molecules of nitrogen gas have an rms speed of 35 ?

### physics

what is the weight of a 100kg man on the moon with a gravitaional acceleration of 1.6m/s(squared)?

### physics

How far does a 1.58-kg stone with the kinetic energy of 3.11 J go in 1.86 s if it is moving in a straight line?

### physics

find time it takes for a sprinter to accelerate from rest to 10 m/s. If acceleration is 4.0 m/s sq.

### Physics

A 2000 kg truck is raised 15 m in an elevator. What is the increase in its potential energy?

### PHYSICS

how long in seconds does it take for a car to accelerate from 0 to 100 km/h2 if acceleration is 10 m/s2?

### physics

A ball is thrown up with a speed of 30m/s, what is the maximum height reached?

### physics

A 1 kg block drops from a table and accelerates towards the floor at 10 m/s2. What is the force?

### Health Physics

As the shape of the diaphragm is changed dueing respiration, what does it possess?

### Health Physics

What is the name of the company that all "good" machines are made of?

### physics

What is the potential energy of something with a mass of 10g on a hill with a height of 5m?

### PHYSICS!!!

iN THE EQUATION FOR THE MAGNITUDE OF TORQUE, WHAT DOES THE QUANTITY d sin radians represent.

### physics

An object has a length of 5.0 cm, a height of 3.0 cm and a width of 15.0 cm. It has a mass of 24 grams. What is its density?

### physics

how do equipotential lines differ in the patterns they make for different geometries?

### Physics

A soap bubble is given negative charge, what will happen it the radius and why?

### physics

What is a capacitor used for in a current other than just collecting energy?

### Physics

How can i find the averagee veloity and speed for a postion time graph

### Physics

Compare magnetic and electrostatic forces. In what ways are they a) similar, b) different

### physics

What is the weight of a 0.2kg toy on or near the surface of the Earth? (g = 9.8m/s2? in newton

### physics

What is the weight of a 0.2kg toy on or near the surface of the Earth? (g = 9.8m/s2? in newton

### physics

A 9.1-µF and a 6.8-µF capacitor are each charged to 2.5 multiplied by 10-4 C. Which has the larger electric potential difference?

### physics

how long does it take a 19kW steam engine to do 6.8x10^7 J of work?

### physics

if velocity vector is changing but speed is constant, can there still be work

### physics

Show that beta = 3 alpha Why a gas has two heat capacities?

### physics

How far will 350 joules raise a block weighing 7 newtons?

### 9th grade conceptual physics

How do you find the cargo capacity for a boat?

### 11th grade Physics

How many current paths are there in a series circuit connection?

### 11th grade Physics

How many current paths are there in a parallel circuit connection?

### Physics

calculate the kinetic energy, in J, of a 1200kg automobile travelling at 36km/h

### Physics

What is the kinetic energy of an automobile with a mass of 1250 kg traveling at a speed of 11 m/s?

### physics

the position of the box 3 seconds after the oscillations have started

### physics 101

explain rocket propulsion in terms of conservation of momentum

### physics

The slope of a Velocity versus Time graph will tell you the object’s what

### general science

in physics the desire of an object to keep doing what it is doing" is temed _______.

### physics

A 1000 kg sports car accelerates from 0 to 30 m/s in 10 s. What is the average power of the engine?

### physics

Distance covered per unit of time is called _________.

### Physics

Could you explain to me how it is possible to run a distance of 1.0 km and have zero displacment.

### physics

what is the speed of light moving through a medium of index of refraction 2.45?

### physics

a spacecraft has an acceleration of magnitudes 5.0g what distance is needed for it to attach a velocity of 10 km/s?

### Physics

the total amount of energy possessed by a body always remains.............