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An unhappy rodent of mass 0.289kg , moving on the end of a spring with force constant 2.52N/m , is acted on by a damping force Fx=?b?vx.
a. If the constant b has the value 0.894kg/s , what is the frequency of oscillation of the mouse?
b. For what value of the constant b will the motion be critically damped?
A sheet of plywood 1.39 cm thick is used to make a cabinet door 55.5 cm wide by 69.5 cm tall, what is the moment of inertia of the door about the hinges
An alpha particle (the nucleus of a helium atom) consists of two protons and two neutrons. what is the strength of the magnetic field
A 310-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,150 A, how many years does it take one electron to travel the full length of the cable
An observer on the earth sees a light pulse within a space ship moving at a constant speed of one-half the speed of light (0.5c). What speed does the observer measure for the light pulse
A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.40sin (2pi*t), where F is in newtons and t is in seconds. The force constant of the spring is 35.0 N/m.
A transverse periodic wave described by the expression y= 5sin(pi*x/3 - 30*pi*t) is established on a string. What is the length in meters of the string
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. calculate How fast are the waves traveling
A ball player hits a home run, and the baseball just clears a wall 20.6 m high located 121.0 m from home plate. How much time does it take for the ball to reach the wall
Two forces parallel to the x axis do 16.8 J of work on a small tray while moving it 17.5 m in the x direction across a gym floor. What is the other force
A thin uniform rod (mass = 1.95 kg) swings about an axis that passes through one end of the rod, What is the length of the rod
Air conditioners are rated by their coefficient of performance at 60F inside temperature and 96F outside temperature. What is the maximum possible coefficient of performance
Which of the following must be true if we are to infer (calculate) a star's luminosity directly from the inverse square law for light.
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