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Suppose we allow two mass in a one-dimensional diatomic lattice to become equal. What happens to the frequency gap? Is this answer expected? Compare the results with those of the monatomic lattice.
What focal length does the lens require
A stunt pilot performs a circular dive of radius 715m. At the bottom of the dive pilot has a speed of 265 m/s which at that instant is increasing at a rate of 15 m/s2(along the direction of vector B) What total acceleration does the pilot have at ..
A sample of helium behaves as an ideal gas as it is heated atconstant pressure from 273 K to 343 K. what is the mass of helium present
An astronaut weighs 152 N on the surface of the moon. If the same astronaut orbits the moon at an altitude equal to the moons radius, what gravitational force does the moon exert on him at this altitude?
A spring with k = 30.0 N/m is at the base of a frictionless 30.0° inclined plane. how far up the incline does it travel before coming to rest
A blue car with mass mc = 459.0 kg is moving east with a speed of vc = 19.0 m/s and collides with a purple truck with mass mt = 1245.0 kg that is moving south with a speed of vt = 10.0 m/s. obtain the magnitude of the initial momentum of the truck
A boy of mass 48.3 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.3 m/s. Find the final velocity of the skateboard
suppose a large crate of 300kg is hung from a uniform steel beam of mass 100kg and 2 meters in length. what would be he initial angular acceleration of the beam
A small block of mass 20.0 grams is moving to the right on a horizontal frictionless surface with a speed of 0.68 m/s. What is the speed of the 40.0 gram block after the collision
A 7.70-uF capacitor and a 1250-ohm resistor are connected in series to a generator operating at 50 Hz and producing an rms voltage of 208 V. What is the average power dissipated in this circuit
This question requires three answers. Three resistors are connected in parallel with a 9.0 V battery. What is the voltage drop across R2
At a distance of 4.32m from a siren, the sound intensity is 3.75 x 10-2 W/m2. Assume that the siren radiates sound uniformly in all directions; find out the total power radiated.
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