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A sonometer wire under a tension of 40 N , vibrates in unison with a tuning fork of frequency 384 Hz. find the number of beats produced in 2 sec when the tension in the wire is reduced by 1.24 N . 2.] A conical pendulum has length 1 m and bob of mass 0.1 kg the angular speed of the bob is 14/√10 rad/sec, find the tension in the string.
A 1000 kg sports car accelerates from zero to 25 m/s in 7.50 s. What is the average power delivered by the automobile engine
A 0.35 kg puck is initially stationary on an ice surface with negligible friction. At time t = 0, a horizontal force begins to move the puck. The force is given by = (12.2 - 3.10t2), with in newtons and t in seconds, and it acts until its magnitud..
In a single-slit diffraction pattern, the central fringe is 420 times as wide as the slit. The screen is 17,000 times farther from the slit than the slit is wide. What is the ratio /W, where is the wavelength of the light shining through the slit ..
The rear window of a van is coated with a layer of ice at 0°C. The density of ice is 917 kg/m3, What is the maximum thickness of ice above this area that the defroster can melt in 2.7 minutes
Loudspeakers A and B are 7.00 m apart and vibrate in phase at 172 Hz. Determine the difference in phase of the two signals at a point C along the line joining A and B, 3.00 m from B and 4.00 m from A
A plane travels horizontally at 737 m/s at an angle of 35.9 degrees west of north. find the component of the speed of the plane west
A 55 kilogram packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 42.6o above the horizontal. find how much work is done on the crate to move it 7.0 meters
The objective of this activity is to verify the relationship between net force and acceleration for each of the accelerating objects in the system as described by equations
A simple pendulum has period T on the surface of Earth. When taken to planet X, the same planet has period 2T. If the radius of planet X is half the radius of Earth, what is the mass of planet X, relative to mass of the planet Earth?
In a certain region, the earth's magnetic field has a magnitude of 4.7 x 10-5 T and is directed north at an angle of 42° below the horizontal. Determine the bullet's electric charge
Water is pumped steadily out of a flooded basement at a speedof 5.5 m/s through a uniform hose of radius 1.1 cm. What is the power of the pump
In the Thorium Decay chain, how much energy is released in total per initial Thorium atom? How many watts of power would a 1 kg lumo of pure Thorium produce? How many watts would that same lump is producing one billion years later?
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