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A 0.8 kg object that stretches a spring 7.3 cm from its natural length when hanging at rest oscillates with an amplitude of 7.3 cm. Find the total energy of the system. The acceleration due to gravity is 9.81 m/s2. Find the gravitational potential energy at maximum downward displacement. Find the potential energy in the spring at maximum downward displacement. What is the maximum kinetic energy of the object?
An iron heating coil for a burner on an electric range runs off a 240V circuit and produces 100 Watts of heat. Given a length of 1.2 m for the coil, find the diameter of the coil
Three resistors, 28, 48, and 80 ?, are connected in series, and a 0.53-A current passes through them, What is the equivalent resistance
In a series L-R-C circuit, the components have the following values: = 21.5 , = 165 , and = 400 . The generator has an rms voltage of 120 and a frequency of 1.25 .Determine the average power supplied by the generator. Determine the average power diss..
One afternoon, a couple walks three-fourths of the way around a circular lake, What is the magnitude of the couple's displacement
An astronomical telescope is designed with an overall magnification of 80x. The objective has a focal length of 98.0 cm. How far should the eyepiece be from the objective
A jeweler working with a heated 43 gram gold ring must lower the ring's temperature t make it safe to handle. If the ring is initially at 94 degrees Celsius, what mass of water at 22 degrees Celsius is necessary to lower the ring's temperature to 38 ..
Ignoring the heat lost along the length of the poker, find out the amount of heat conducted from one end of the poker to the other in 3.0 s.
A uniform steel beam has a mass of 1860 kg. On it is resting half of an identical beam, What are the vertical support forces
For a spherical celestial object of radius R, acceleration due to gravity g at a distance x from the center of the object is g = g0R2/x2, where g0 is the acceleration due to gravity at the object's surface and x > R.
An iron bar of mass, 0.82 kg, slides down a frictionless incline 0.29 m high, What is the speed of the combined masses after collision
Using the idea of a dozen as an example again, if you have 2 dozen blocks and their total mass is 48 kg, What is the mass of a single molecule
A hollow ball is rolling along a horizontal surface at 3.2m/s when it encounters an upward incline. If it rolls without slipping up the incline
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