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A 372 g mass hangs from a vertical spring with a spring constant of 309 N/m. If it has a maximum amplitude of 28.3 cm, what is its total mechanical energy at the equilibrium point?
A balsa wood block of mass 55 gram floats on a lake, bobbing up and down at a frequency of 2.9 Hz. Find what is the value of the effective spring constant of the water
Consider the addition of two spin -1/2 angular momenta, S→(1) and S→(2), How many states are there in the product basis?
A wheel rotating about a fixed axis has an angular position givenby θ = 3 - 2t3, where θ is measured in radiansand t in seconds. What is the angular acceleration of the wheelwhen t = 2.0 seconds?
What is the maximum achievable power output of a wind turbine of blade radius 2m in a 25 mph wind?
Determine the angle between the largest principal stress component σ1 and the longitudinal axis x, and show the orientation of the principal stresses in a figure.
Neglect pneumatic resistances and determine the natural frequencies of the pneumatic system sketched in Figure. Use lumped-parameter inertances.
For a science fair competition, a group of High School students built a kicker-machine that can launch a golf ball from the origin with a velocity of 13.1 m/s, Where will the golf ball fall back to the ground
A magnetic field is directed perpendicular to the plane of a 0.15-m× 0.30-m rectangular coil consisting of 240 loops of wire. To induce an average emf of –2.5 V in the coil, the magnetic field is increased from 0.1 T to 1.8 T during a time interval Δ..
Illustration on Eratosthenes' process
The isotope 12N undergoes radioactive decay to form 12C. What charged particle is emitted in the decay process
calculate the work done on a charge Q. If an automobile rounds this curve at 30 {rm m/s}, what is the least coefficient of static friction between tires and road needed to prevent skidding.
A small 13.0-g bug stands at one end of a thin uniform bar that is initially at rest on a smooth horizontal table. What is the angular speed of the bar when the insect leaps off
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