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Two atoms of masses m1 and m2 are bound together in a molecule with energy so low that their separation is always close to the equilibrium value r0. With the parabola apporximation, the effective spring constant is k = (d2U)/(dr2) evaluated at r0. Find the vibration frequency of the molecule.
A cube has one corner at the origin and the opposite corner at the point . The sides of the cube are parallel to the coordinate planes. What is the net charge inside the cube
Your cell phone battery states that it has a capacity of 1200mAh. That means it can provide constant current supply of 1200mA for 1 hour (or 3600 sec), Your battery provides a constant voltage of 3.7V. What is the energy in Joules stored in the bat..
A coil of wire is connected to an ideal 12.0-V battery at t = 0. At t = 14.2 ms, the current in the coil is 210 mA. calculate the inductance of the coil
A 0.180 kg baseball, travelling 32.0 m/s, strikes catcher's mitt that recoils 13.0 cm in bringing the ball to rest. What was an average force (in newtons) applied by the ball to the mitt.
A spring is hung from the ceiling. A 0.531 -kg block is then attached to the free end of the spring. When released from rest, the block drops 0.167 m before momentarily coming to rest, after which it moves back upward. (a) What is the spring constant..
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. How many electrons are there in 6.24 liters of water
A 1350 kg cannon, which fires a 70 kg shell with a speed of 606 m/s relative to the muzzle, At what angle with the ground is the shell projected
A rural power line carries 1.7 A rms at 4700 V. A step down transformer reduces this to 235 V rms to supply a house. Find the turns ratio of the transformer
A small plane departs from point A heading for an airport 500 km due south at point B, Determine the proper heading for the plane and the time of flight
A constant force, F = (4.51, ?3.79, 2.30) N, acts on an object of mass 18.2 kg, What is the total work done by this force
A man wants to swim across a river that is flowing north to south at 5 m/s. He can swim at a speed of 7 m/s.The river is 1/4 of a km wide. find the vector components of the swimming man's net velocity
a mass m 16 kg is pulled along a horizontal floor with no friction for a distance d 7.9 m. then the mass is pulled up
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