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The acceleration as a function of time of a mass-spring system is given by a=(0.70m/s^2)sin[(3rad/s)t]. a)If the spring constant is 20N/m, what is the amplitude? b)What is the initial velocity? c)what is the mass of object?
What law of physics would be violated
For a procedure, the enthalpy change and the entropy change of the system is 173000 J and its entropy change is 210 J/K. compute the free energy change of the system at 298 K.
A light spring of force constant k = 156 N/m rests vertically on the bottom of a large beaker of water. A 5.55-kg block of wood (density = 650 kg/m3) is connected to the spring, and block-spring system is allowed to come to static equilibrium. Wha..
At what distance from the ring's center is E maximum. How deep is the tank.
how far from the woman will he be now. How various revolutions will the car have gone through when the magnitude of its total acceleration is 3.30 m/s^2.
A broad beam of light of wavelength 642 nm is incident at 90° on a thin, wedge-shaped film with the index of refraction 1.50. An observer intercepting light transmitted by the film sees 17 bright and 16 dark fringes along the length of the film. B..
A ski jumper has 1.2 ´ 10 J of potential energy at the top of the ski jump. The friction on the jump slope is small, but not negligible. What can you end about the ski jumper's kinetic energy at the bottom of the jump.
The internal energy of the coin
A novice skier, starting from rest, slides down a frictionless 34° incline whose vertical height is 128 m. How fast is she going when she reaches the bottom.
A series RL circuit with L = 3.00 H and a series RC circuit with C = 3.00 μF have equal time constants. If the two circuits contain the similar resistance R.
A parallel-plate air capacitor with a capacitance of 245 has the charge of magnitude 0.1502 on each plate. The plates have the separation of 0.323.
A 430 microF capacitor is charged to 245 V. after that a wire is connected between the plates. How many joules of thermal energy are produced as capacitor discharges if all of the energy that was stored goes into heating the wire.
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