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A mass m = 2.4 kg is at the end of a horizontal spring of spring constant k = 265 N/m on a frictionless horizontal surface. The block is pulled, stretching the spring a distance A = 5.5 cm from equilibrium, and released from rest.
1) Write an equation for the angular frequency ? of the oscillation.
2) Calculate the angular frequency of the oscillation in rad/seconds.
3) Write an equation for the period T of the oscillations.
4) Calculate the period T of the oscillations in seconds.
5) Write an equation for the maximum speed vmax of the block.
6) Write an equation for the maximum acceleration amax of the block.
A gymnast with mass m1 = 42 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 106 kg and length L = 5 m. Each support is 1/3 of the way from each end. at first the gymnast stands at the left end of..
Certain sharks can detect an electric field as weak as 1.1 mu V/m . To grasp how weak this field is, how far apart would the plates have to be
A horizontal desk surface measures 2.52 m x 2.05 m. If Earth's magnetic field has magnitude 0.463 mT, what is the magnetic flux through the desk surface
Suppose Q and nQ are charges that are seperated from origin by -L and oL and the origin and that the origin as at a point of electrostatic equilibrium between them
If the mass of the diver is 84 kg and the board is 1.5 m long, illustrate what is the magnitude of the torque due to gravity on the diving board with a pivot point at the fixed end of the board?
A solid wood door 1.00 m wide and 2.00 m hight is hinged alone one side and has a total mass of 40.0 kg, whats the final angular speed of the door
After a completely inelastic collision, two objects of the same mass, Find the angle between the initial velocities of the objects
Two sinusoidal waves of the same frequency travel in the same direction along a string. what is the amplitude (in cm) of the resultant wave
A piece of unpainted wood barely floats in a container partly filled with water. If container is sealed and then pressurized above atmospheric pressure, does the wood rise, sink, or remain at the similar level.
A grindstone of a radius 4 m is firstly spinning with a radius of 8 rad/s. The angular speed is then increased to 12 rad/s over next 4.0 seconds. Suppose that the angular acceleration is constant. What is the average angular speed of grindstone.
q1. an 920 n sled is pulled a distance of 197 m. the task requires 1.20 104 j of work and is completed through pulling
A -10.0 nC point charge and a +20.0 nC point charge are 15.0 cm apart on the x-axis. What is the direction of the electric field at the point on the x-axis, between the charges, where the electric potential is zero
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