Compression Definition and 607 Threads

A 1.5kg object is held 1.2m above a spring with force constant 320N/m. The object is dropped on the spring how far does the object compress the spring? Alright so what i did was mgh=0.5kx^2 but the answer is different from the book. I guess is when the object touches the spring, its exerting...

Hey ya, Well, I have been having a difficult time finding the answer to this question, probably because I don't know the specific terminology. So here I am. I did not know exactly which forum category to put this in so... I am building a small diving bell with a remote controlled camer...

Homework Statement Suppose you compress an ideal gas to half its original volume, while also halving its absolute temperature. During this process, the pressure of the gas (a) halves (b) remains constant (c) doubles (d) x4 Homework Equations PV=nRT The Attempt at a Solution...

I have been trying to find out how to calculate a number of things in a system involving liquid and gas. In the attached diagram there is a U-bend with gravity acting down on it. If one side is sealed with a plunger and the other side is filled with a fluid (L) we would end up with the...

Honestly I do not think automotive techs would know the answer to this question so being said from a physics stand point about the relationship between the high voltage spark on a spark plug and compression in a engine. I have had experiances where there was spark on the plugs but the engine...

An explosive liquid at temperature 300 K contains a spherical bubble of radius 5 mm, full of its vapour. When a mechanical shock to the liquid causes adiabatic compression of the bubble, what radius of the bubble is required for combustion of the vapour, given that the vapour ignites...

How compressed are the atoms black holes are made of? Is there a limit to how much you can compress matter? It seems to me, the most you can compress matter would be until the individual subatomic particles are side by side touching each other. Are black holes compressed more than that? Are...

I am interested in the fluid dynamics of a turbine engine that compresses its exhaust gasses along its centerline. http://www.faqs.org/patents/app/20090067983 Any thoughts?

i 'd like to ask abt the difference between precombustion chamber and compression chamber which used in diesel engines (indirect injection)??

Homework Statement A 6.0 kg box moving at 3.0 m/s on a horizontal, frictionless surface runs into a light spring of force constant 75N/cm. Use the work energy theorem to find the maximum compression of the spring. Homework Equations Wtotal=K2-K1 k1=1/2mv^2=27 J The Attempt at a...

1) A 28.86 kg child bounces on a pogo stick. The pogo stick has a spring constant 18016 N/m. When the child makes a nice big bounce, she finds that at the bottom of the bounce she is accelerating upwards at 4.802 m/s2. How much is the spring compressed? Given: Mass of Child: 28.86kg Spring...

A toy car with mass 0.043 kg is propelled by a spring with spring constant 92 N/m onto a track. The track contains a vertical loop of radius 0.15 m. Ignore any losses due to friction and use g = 10 m/s2. What is the minimum compression of the spring necessary for the car to complete the loop...

Hi, I want to study magnetic compression theory. I want to able to calculate and simulate how magnetic compression can store or give back energy from a circuit Any differential equation are available for this ? Any tutorial will be helpfull. Thanks

Homework Statement A block sliding along a horizontal frictionless surface with speed v collides with a spring and compresses it by 2.34 cm. What will be the compression if the same block collides with the spring at a speed of 4.00v? Homework Equations e=0.5mvSUP]2[/SUP] e= 0.5k*x2...

Homework Statement A gas at an initial volume of 0.1 m^3, a pressure of 140 kN/m^2 and a temperture of 25 degrees is compressed to a pressure of 700kN/m^2 and a temerture of 60 degrees. Determine its volume after compression? Homework Equations P1 × V1 = P2 × V2 T1...

would you weaken or shorten the life span of a compression spring by leaving it under a load for extended periods?

Homework Statement The engine of a Ferrari F355 F1 sports car takes in air at 20.0 *C and 1.00 atm and compresses it adiabatically to 0.0900 times the original volume. The air may be treated as an ideal gas with \gamma = 1.40. Find Final Temp and Final Pressure Homework Equations...

Hi The source coding theorem says that one needs at least N*H bits to encode a message of length N and entropy H. This supposedly is the theoretical limit of data compression. But is it? Or does it only apply to situations where only the frequency (probability) of a given symbol is known...

Homework Statement Trying to calculate changes in psi and temperature with a known change of volume. One cubic foot of air(14.7 psi) compressed to one tenth its original volume. 10:1 compression ratio. Starting temp=70° F or 294° K Homework Equations Don't know the equasion. That is...

Homework Statement Two carts of equal mass, m = 0.300 kg, are placed on a frictionless track that has a light spring of force constant k = 48.9 N/m attached to one end of it. The red cart is given an initial velocity of v0 = 3.13 m/s to the right, and the blue cart is initially at rest. If...

here is the problem A package of mass 6 kg sits at the equator of an airless asteroid of mass 5.7e5 kg and radius 41 m, which is spinning so that a point on the equator is moving with speed 4 m/s. We want to launch the package in such a way that it will never come back, and when it is very far...

Homework Statement A package of mass 5 kg sits at the equator of an airless asteroid of mass 6.3*10^5 kg and radius 48 m, which is spinning so that a point on the equator is moving with speed 2 m/s. We want to launch the package in such a way that it will never come back, and when it is very...

I wander... which would require more energy, to decompress air like a vacuum or compress air?

How much should a soccer ball be compressed between 2 objects for it to be safe for the soccer ball but also to maximize the friction between the ball and the objects. The values used for this should be the official circumference of 70 cm and a pressure of 13.5 psi.

Homework Statement In a diesel engine, atmospheric air is quickly compressed to about 1/20 of its original volume. Estimate the temperature of the air after compression , and explain why a Diesel engine does not require spark plugs. Homework Equations f/2*ln(T_f/T_i)=-ln(V_f/V_i) The...

Homework Statement Imagine some helium in a cylinder with initial volume of 1 liter and an initial pressure of 1 atm. Somehow the helium is made to expand to a final volume of 3 liters, in such a way that its pressure rises in diect proportion to its volume. a) calculate the work done on...

Hi, I'm a newbie here. I'm sorry if my questions are worded improperly or are too simple. I'm a chemist who hasn't had a physics class in over 20 years, so I'm a little rusty. I have some questions on compression forces (and their propagation). I'm a battery chemist and have an electrolyte...

I found a long-time ago problem in helping archive here The problem is about attaching a mass m to a massless rod which released at initial angle \theta_0 (measured from vertically axis), try to find the critical angle where the compression force change to tension force. Using Newtonian...

is equation T2=T1*(p2/p2)^((k-1/k)) correct to calculate air temperatute during compression from 1bar to 2bar in a radial compressor? and equation for temperature drop throug intercoller T3=T2-ICefficiency*(T2-ambient_air_temp). Is this equation really so simple, what about air density when...

Given: Load of sacks have total weight of 2250 N and each sack weighs 225 N, how far will each of 2 springs in one system be compressed (spring coeff = 2200 N/m) when a sack is put on it? Energy init +work=final Energy 2250=1/2(4400)x^2 1.02=x^2 x=1.01 Not sure where to go from here.

Homework Statement A block of mass m slides on a horizontal frictionless table with an initial speed. It then compresses a spring of force constant k and is brought to rest. How much is the spring compressed x from it's natural length. Homework Equations ??

Though this is part of my homework I posted it here because it's a general rule that applies to all physics and doesn't contain specific values from my homework. A block of mass m slides on a horizontal frictionless table with an initial speed. It then compresses a spring of force constant k...

Homework Statement A support column is compressed 2.46 x 10^ -4m under a weight of 5.42 X 10^5N. how much is the column compressed under a weight of 4.8 X10^6N? Homework Equations F=KX The Attempt at a Solution By using that equation, I get 542000 = .000246K Solve for K, and I get a...

Homework Statement A mass is initially held in place at the top of a spring. When it is let go, it falls and compresses a spring. What is the maximum compression of the spring. Homework Equations f=-kx The Attempt at a Solution I know the solution is to equate mg and kx to find x...

Homework Statement The problem reduces the derivative (dZ/d(1/V)) to (dZ/dV) x (dV/d(1/V)), where Z is the compression factor and v is molar volume. It further shows that it equals -V^2(dZ/dV). I don't know how they arrived at that value because by my logic it should be 1/(-V^2)...

Homework Statement A 0.10 kg flat wooden block is sitting on a vertical massless spring of spring constant 2000 N/m. An identical block is dropped from a height of 1.00 m above the first block. The collision between the two blocks is perfectly inelastic. How far down is the the spring...

I am wondering what the upper limit for frequency is currently as far as audio signal generators go. Basically I want to know how high of a frequency I can get on a compression wave. I don't mean the theoretical limit based on the atomic spacing in the medium, but rather if I want to buy a...

1. The total cross-sectional area of the load-bearing calcified portion of the two forearms bones (radius and ulna) is approximately 2.16cm^2. During a car crash, the forearm is slammed against the dashboard. Tha arm comes to rest from an initial speed of 81.9km/h in 7.72 s. If the arm has an...

Homework Statement I'm reading through my textbook and doing examples on polytropic process. I see this step and cannot figure out how the textbook gets V3 = 0.0169 m3 P2V2n = P3V3n (500 kPa)(0.05364 m3)1.2 = (2000 kPa)V31.2 V3 = 0.01690 m3 Homework Equations Not sure what to add...

Homework Statement I need to work out the maximum compression of buffers for a train with 1.2kg mass, traveling at 0.45m/s and the spring constant, k, is 4.8x10^3 Nm^-1 Homework Equations I tried using 1/2kx^2 but I don't know if I am doing it right The Attempt at a Solution I...

Homework Statement A solid metal sphere of volume 1.05 m^3 is lowered to a depth in the ocean where the water pressure is equal to 1.38 x 10^7 N/m^2. The bulk modulus of the metal from which the sphere is made is 9.9 X 10^9 N/m^2 Given: The atmosphereic pressure is 1.013 10^5 Pa. What is...

A block of mass m1 = 1.8 kg slides along a frictionless table with a speed of 10 m/s. Directly in front of it, and moving in the same direction, is a block of mass m2 = 4.4 kg moving at 2.8 m/s. A massless spring with spring constant k = 1160 N/m is attached to the near side of m2, as shown in...

Homework Statement A linear elastic spring can be compressed 0.10m by an applied force of magnitude 5.0N. A 4.5kg crate, moving at 2.0m/s, collides with this spring. What will be the maximum compression of the spring? x= 0.10kg F= 5.0N m= 4.5kg v= 2.0m/s Homework Equations I'm not...

Homework Statement A block of mass m = 2.0 kg is dropped from height h = 55 cm onto a spring of spring constant k = 1960 N/m (Fig. 8-36). Find the maximum distance the spring is compressed. Homework Equations PEspring=1/2 kx2 F=-kx PE gravity=mgh KE gravity=1/2mv2 The...

How do you do this? A block of mass m = 2.0 kg is dropped from height h = 55 cm onto a spring of spring constant k = 1960 N/m . Find the maximum distance the spring is compressed. m

Homework Statement I know the mass of the block and it's velocity when it contacts the spring and the spring conststant. It is on a horizontal frictionless surface. Homework Equations The Attempt at a Solution I know there is an equation to find the but I just cannot find it in my...

What if someone took a jet engine and took out the combustion and turbine mechanism. Then that person found an outside source to power the compression mechanism. Can the compression mechanism alone produce significant thrust? That is, with an outside power that does not add heat into the system...

Homework Statement A block of mass 12.0kg slides from rest down a frictionless 35degree incline and is stopped by a strong spring with a force constant of 3.00 x 10^4 N/m. The block slides 3.00m from the point of release to the point where it comes to rest against the spring. When the block...

The figure shows a weight W supported by two light rigid rods P and Q. The rods are smoothly hinged to the wall and mounted in the same vertical plane. Which rod is in compression , is in tension?

The space truss showin has compression and tension forces acting in the members as shown. Force F is 10kN, determine the three unknown forces (F1, F2 and F3). I know that it should be the summation of Fx, Fy and Fz, however for F1, there is no reaction force, so I don't know what to...