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Solve the following problems:
Problem 1: Take a spring and cut it in half. What can you say about the spring constant of the smaller springs relative to the original one? Explain.
Problem 2: Suppose you're hanging from a tree branch. If you move out the branch, farther away from the trunk, the branch will be more likely to break. Explain why.
Problem 3: Could a ladder on a level floor lean against a wall in static equilibrium if there were no friction forces? Explain.
Please keep answer short and simple and please no copy and paste. Thanks.
The magnitude of the electric field between the plates of the velocity selector is 2.20 103 V/m, Calculate the radius of the path for a singly charged ion having a mass m = 2.40 10-26 kg
A system consisting entirely of electrons and protons has a net charge of 1.71×10?15 C and a net mass of 4.76×10?23 kg. how many protons are in this system
A wheel has a maximum rate of rotation of 150 revolutions per minute. Starting from rest, Calculate the magnitude of its angular acceleration
A 107-cm-long pipe is stopped at one end.Near the open end, there is a loudspeaker that is driven by anaudio oscillator whose frequency can be varied from 10.0 to4600 Hz, What is the lowest frequency of the oscillator that will produce resonance wi..
A father racing his son has 1/2 the kinetic energy of the son, who has 1/3 the mass of the father. What are the original speeds of the son and father
The position vector,r, in meters, of a particle moving in the x-y plane, is giving by the following equation: r=i(2t^2-8t-12)+j(2t^3-18t^2+48t+25), find the direction of the velocity vector at the instant
Two slits are illuminated by a 390 nm light.The angle between the zeroth-order bright band at the center of the screen, how far apart is this bright band from the central peak
Charges q and Q are placed on the x axis at x = 0 and x = 2.0m, respectively. If q= -40 pC and Q =+30 pC, determine the net flux through a spherical surface (radius = 1.0 m) centered on the origin.
Suppose that we align a compass needle with the horizontal component of the Earth's magnetic field, What is the size of the horizontal component of the Earth's magnetic field
A defibrillator consists of a 15.3-µF capacitor that is charged to 8.4 kV. What is the average power delivered to the tissues
A famous monument is 565 feet tall.It is composed of a510-foot pillar topped by a 55-foot pyramid.The base of the pillaris 57 feet wide.The base of the pyramid is 36 feet wide. Find the slope of the sides of the pyramid?
An engine has a hot-reservoir temperature of 910 K and a cold-reservoir temperature of 530 K. What is the efficiency of the engine
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