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Question: An object of mass m attached to a spring of force constant k oscillates with simple harmonic motion. The maximum displacement from equilibrium is A and the total mechanical energy of the system is E. What is the object's velocity when its potential energy is 2/3E?
An elevator starts from rest with a constant upward acceleration and moves 1 m in the first 1.5s. A passenger in the elevator is holding a 7.7 kg bundle at the end of a vertical cord. What is the tension in the cord as the elevator accelerates? A..
a explain the important difference between classical and quantum particles. discuss the requirements that determine
You want to build a grandfather clock with a pendulum that has one second between its "tick" (swinging to) and its "tock" (swinging fro)
An electron moves with speed 0.850c. What is the momentum of the electron according to Newton's mechanics? What is the correct value of the electron's momentum according to special relativity?
Two converging lenses having focal lengths of 10.0 cm and 20.0 cm are placed 50 cm apart, as shown in the figure below. The final image is to be located between the lenses, at the position indicated.
A solenoid 95.0 cm long has a cross-sectional area of14.0 cm2. There are 1050 turns of wire carrying acurrent of 6.90 A. Calculate the magnetic field inside the solenoid
A car takes off from rest with a constant acceleration.After 5 seconds it is traveling at 20 m/s. What is the acceleration of the car
Use the hydrostatic relation to estimate the total mass of air in a vertical column with cross-sectional area 1 m2 given that the surface pressure is 1000 hPa
Light is an electromagnetic wave and travels at a speed of 3.00 x108 m/s. Find what is the frequency of this light
Discuss the charge distribution through the junction.An "isotype" step junction is one in which the same impurity type doping changes from one concentration value to another value.
You are driving in one direction on a long straight road. You drive in the positive direction at 126 km/h for 30.0 minutes, How far did you drive
It is possible to produce artificial gravity on a space station by having the station rotate. Explain how this would work. What would be some benefits and drawbacks to this approach?
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