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A massless spring with spring constant 20 N/m hangsvertically. A body of mass 0.3 kg is attached to its freeend and then released. Assume that the spring was unstretchedbefore the body was released. Find how far below the initialposition the body descends?
Find the frequency of the resulting motion, assumed tobe simple harmonic.
Find the amplitude of the resulting motion, assumed tobe simple harmonic.
Suppose the peak of a particular star's spectrum occurs at about 6000 Å (Angstrom). (a) Use Wien's law to calculate the star's surface temperature. (b) If this star were a factor of four hotter, at what wavelength would its spectrum peak? In what ..
A 30 g steel ball bounces elastically on a steel plate, always returning to the same maximum height h = 14.2 m. With what speed does the ball leave the plate
Charge Q = 10E-8 C is placed in the origin. Location A is -3.00m from the charge while location B is 2.00m from the charge. Which point is at the higher potential
The space shuttle orbits at a distance of about 300 km above the surface of the earth. Find the speed of the shuttle
A 76.9 kg man steps out a window and falls (from rest) 1.09 m to a sidewalk. What is his speed just before his feet strike the pavement
A father racing his son has two-fifths the kinetic energy of the son, who has one-third the mass of the father. The father speeds up by 1.0 m/s, What is the original speed of the father
A yo-yo of mass 0.10kg and a radius of 0.03 m is released from rest, with the free end of the yo-yo string held fixed. Find the acceleration of the yo-yo
If a student plays a white key on the keyboard and it has a frequency of 395 Hz, what will be the most likely frequency of the next black key
You throw a 5-kg ball from a platform releasing the ball at a height of 5 meters with a speed of 10m/s at an angle of 30 degrees with respect to the horixontal. Find the maximum height of the ball above the ground
A 95.0-kg climber is scaling the vertical wall of a mountain. His safety rope is made of a material that, How much is the rope stretched when it breaks his fall and momentarily brings him to rest
A fan blade rotates with angular velocity given by ?z(t)= ? ? ? t2, where ? = 4.60rad/s and? = 0.795rad/s3, Calculate the angular acceleration as a function of time
Explain some of the many advantages that Fiber Optic Cable has over other media (e.g. conductive wires) in the transport of information.
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