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A uniform rod of mass m is supported by a pin at A and a spring of constant k at B and is connected at D to a dashpot of damping coefficient c. Determine in terms of m, k, and c, for small oscillations,
(a) the differential equation of motion,
(b) the critical damping coefficient cc
The ammonia molecule NH3 has adipole moment of 4.8e-30 C·m. Ammonia molecules in the gasphase are placed in a uniform electric field with magnitude 1590000N/C. What is the change in electric potentialenergy when the dipole moment of the molecule c..
An aluminum cup contains 225 g of water and a 40 g copper stirrer, all at 27°C. Calculate the mass of the aluminum cup
Discussion Item Compare and contrast the best jet range profiles. Which is best and why? Constant Mach, Constant Cruising Altitude. Constant Thrust, Constant Cruising Altitude. Decreasing Mach, Constant Cruising Altitude. Constant Mach, Increasing Al..
consider a hot-air balloon. the deflated balloon gondola and 2 passengers have a combined mass of 315 kg. when inflated
A beam of 168-MeV nitrogen nuclei is used for cancer therapy. If this beam is directed onto a 0.200-kg tumor and gives it a 2.00-Sv dose, how many nitrogen nuclei were stopped? (Use an RBE of 20 for heavy ions.)
A 62-kg astronaut is in space, far from any objects that would exert a significant gravitational force on him. How fast is the astronaut moving after he throws the mallet
On a humid day, an electric field of 2.00 * 10^4 N/C is enough to produce sparks about an inch long. Suppose that in your physics class, use Coulomb's law to calculate the electric field at the surface of the sphere
The drill bit of a variable-speed electric drill has a constant angular acceleration of 3.15 rad/s2. The initial angular speed of the bit is 5.95 rad/s. what is the bit's angular speed
Infrared light with a wavelength of 1870nm is emitted from hydrogen. What are the quantum numbers of the two states involved in the transition that emits light
question a 1200 kg ore cart is rolling at 10.8 ms across a flat surface. a crane dumps 493 kg of ore vertically into
The acceleration due to gravity, g, is constant at sea level on the Earth\'s surface. Derive an expression for the acceleration due to gravity
Two metal spheres of different sizes are charged such that the electric potential is the same at the surface of each, What is the ratio QB/QA and EB/EA
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