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A small speaker of mass three kilogram is swinging as a simple pendulum on the rope of length 0.6 m while emitting a sound of a single frequency f and power 107 W. When the pendulum is at the end of its swing: 0.11 radians from vertical position (the furthest away from the equilibrium), the speaker frequency is exactly matched by the frequency produced by 5-harmonic of the string of length 1 m. Given the speed of sound in the air (v=340m/s)
Discover the frequency of the sound emitted from the speaker when the pendulum is at the position of the maximum deviation.
A 2.0 kg object moving with a velocity of +6.0 m/s collides with a 6.0 kg object that is initially at rest. Find the energy lost in the collision.
A tennis ball with a velocity of +7.6 m/s to the right is thrown perpendicularly at a wall. what is the average acceleration of the ball while it is in contact with the wall
A rubber ball (mass 0.27 kg) is dropped from a height of 1.8 m onto the floor. Just after bouncing from the floor, the ball has a speed of 3.8 m/s. What is the magnitude and direction of the impulse imparted by the floor to the ball?
Determine how much work must you do to push a 14 kilogram block of steel across a steel table at a steady speed of 1.1 m/s for 2.7 second? Find what is your power output while doing so
A bucket of water with a mass of 6.0 kg is attached to a rope that is wound around a cylinder. What is the acceleration of the bucket
A proton is released from rest inside a region of constant, uniform electric field E1 pointing due North. 29.8 seconds after it is released, What is the ratio of the magnitude of E2 to the magnitude of E1
An ideal gas is enclosed in a cylinder that has a moveable pistonon top. The piston has a mass of 3900 gand an area of 7.00 cm2 and isfree to slide up and down, keeping the pressure of the gasconstant. How much work is done on the gas as the temperat..
A spring of spring constant k = 340 Nm-1 is used to launch a 1.5-kg block along a horizontal surface by compressing the spring by a distance of 18 cm. how far does the block slide
The figure below shows a wooden cylinder with mass m = 0.225 kg and length L = 0.600 m, with N = 50.0 turns of wire wrapped around it longitudinally, so that the plane of the wire coil contains the long central axis of the cylinder.
A charge Q is transferred from an initially uncharged plastic ball to an identical ball 11cm away. The force of attraction is then 19mN. How many electrons were transferred from one ball to the othe
An RLC series circuit has L = 0.324 H and C = 6.93 ?F . The source has a peak voltage of 442 V. What is the peak voltage across the inductor at resonant frequency
An inductor is to be made by wrapping wires around a paper tube of radius 0.702 cm and length 8.44 cm. How many turns will give the inductor an inductance of 6.000e-3 H
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