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A mass m is lowered gently onto a vertical spring of length L with spring constant k until it just touches the spring. Let y be the distance the spring is compressed and v be the velocity of the mass. When the mass is released from rest, the equation for conservation of energy is...?
A particle accelerates uniformly from rest to a speed of 50m/s in 10 sec. It then continues its motion at a constant speed for 4 more seconds. all motion for the particle is horizontal(along the x-axis) a) Determine the instantaneous speed of the par..
A 5.56 10-5 H solenoid is constructed by wrapping 62 turns of wire around a cylinder with a cross-sectional area of 8.30 10-4 m2 , Determine the change in the length of the solenoid.
Electromagnetic waves of wavelength 0.178nm fall on a crystal surface. As the angle of incidence is gradually increased, starting at 0 degrees, What is the distance between the crystal planes
The thrust produced by a single jet engine, m=7300kg, creates a force F=73000N. It takes the jet a distance of d=0.84km to take off. What is the take-off speed of the jet
string under a tension of 50.5 N is used to whirl a rock in a horizontal circle of radius 2.55 m at a speed of 20.3 m/s on a frictionless surface, What is the breaking strength, in newtons, of the string
The speed of sound in a different fluid is 1360 m/s. What is the bulk modulus for this fluid? The density of this fluid is 13500 kg/m3
A large, cold (1.20 C) block of iron is immersed in a tub of hot (99.7C) water. Calculate the change in entropy of the system this time
A pressure gage located 1 m off the bottom in 10 m depth of water measures an average maximum pressure of 10 N/cm2 having an average period of 9 sec
Consider an electron in the ground state of the hydrogen atom, separated from the proton by a distance of 0.0529 nm
The input coil of a transformer has 10 winding current to flow from 12 volt battery. how long will it take for circuit to rach its final current
Three blocks, each of mass 12 kg are on the frictionless table. A hand pushes on the left most box (A) such that the three boxes accelerate in the positive horizontal direction as shown at a rate of a = 1.1 m/s2. What is the net horizontal force on b..
Suppose that a particle accelerator is used to move two beams of particles in opposite directions. In a particular region, electrons move to the right at 9350 m/s and protons move to the left at 1.230 × 103 m/s.
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