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Question: A spring of negligible mass has force constant k = 1500N/m .
Part (a): How far must the spring be compressed for an amount 3.40J of potential energy to be stored in it
Part(b): You place the spring vertically with one end on the floor. You then drop a book of mass 1.20kg onto it from a height of 0.600m above the top of the spring. Find the maximum distance the spring will be compressed. Take the free fall acceleration to be 9.80m/s2. Express your answer using two significant figures.
The density of a 2.79-m long rod can be described by the linear density function ?(x) = 109 g/m + 10.1x g/m2. Determine the total mass of the rod
Suppose you are hilding a circular ring of wire and suddenly thrust a magnet, south pole first, away fro you toward the centerof the circle. Is a current induced in the wire? Is a currentinduced when the magnet is held steady within the ring?
a satellite would have a mass of 200 kg on the surface of the moon. determine the weight of the satellite in pounds
The threshold of hearing is defined as the minimum discernible intensity of the sound. It is approximately . Find the distance from the car at which the sound from the stereo can still be discerned. Assume that the windows are rolled down and that ea..
question fm radio stations use radio waves with frequencies from 88.0 to 108 mhz to broadcast their signals. assuming
An alpha particle (the nucleus of a helium atom, with charge +2e and a mass four times that of a proton) and an antiproton (which has the same mass as a proton but charge -e) are released from rest a great distance apart.
A gas molecule having a speed of 322 m/s collides elastically with another molecule of the same mass, which is initially at rest. Find the speed of each molecule after collision
A race car moves with an initial velocity of 40 m/s and then decelerates at 1.50m/s2 for 20 sec. What is its final velocity?
A device operates in a three process cycle. In process one, the device receives 35kJ of heat and does no work. Determine the COP or efficiency as applicable
When high-energy charged particles move through a transparent medium with a speed greater than the speed of light in that medium, a shock wave, or bow wave, of light is produced. This phenomenon is called theCerenkov effect. When a nuclear reactor..
What are the differences and similarities between the quantization of angular momentum in the Bohr model and the Schrödinger theory? Can the magnetic moment of an atom line up exactly with an external magnetic ?eld? Explain.
At what angle should the axes of two Polaroids be placed so as to reduce the intensity of the incident unpolarized light to 1/5
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