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A person in a rocking chair completes 12 cycles in 21 s. What are the period and frequency of the rocking?
A 10-cm-long spring is attached to the ceiling. When a 2.0 kg mass is hung from it, the spring stretches to a length of 15 cm.
How is the historical moon landing changed our scientific understanding and how this event added to or changed our understanding of science.
What will be the amplitude and frequency of vibration if the fish is pulled down 2.5cm more and released so that it vibrates up and down?
A tranverse traveling wave is described by the equation y(x,t) = 10 sin(8 pie + pieT), where x and y are in meters and t in seconds.
What are the 10 "regularities" associated with the condensation theory? What are the 8 "irregularities"? What is the angular momentum problem
A 0.32 kg mass attached to a spring undergoes simple harmonic motion with a period of 0.65 s. What is the force constant of the spring?
How many moons does Saturn have? What is the name of Saturn's largest moon? What is special about this moon? What are the names of Saturn's
What formula should be used to calculate the period of a 2 meter long simple pendulum for Mercury, Venus and Earth using gravitational acceleration?
Was the Ptolemaic model geo- or heliocentric? Explain. How did Ptolemy and others before him account for retrograde motion (epicycle and deferent)
A mass m at the end of a spring vibrates with a frequency of 0.832 Hz. When an additional 526 g mass is added to m, the frequency is 0.694 Hz.
The Sun is a star. Briefly outline the evolution of a star and where the Sun is in its life cycle.
Assume for this part and the remainder of the problem the springs are the same and the masses are equal.
Are two vectors with the same magnitude necessarily equal?
A torture technique used by inquisition included a pendulum with attached blade. The length and mass of the wooden rod are L=5m.
A mass m moves in one dimension and is subjected to a constant force +F1 when x0.
The Field is radial and we want that its magnitude remains constant with the distance r from the center.
Venus and Earth are about the same size and mass, yet carbon dioxide is a major constituent of the atmosphere of Venus, while oxygen is much more abundant
Consider a spherical asteroid with a radius of 12 km and a mass of 3.45 x 10 to the fifteenth power kg. (a) What is the acceleration of gravity
A NASA satellite has just observed an asteroid that is on a collision course with the Earth. The asteroid has an estimated mass, based on its size
This tube sustains a standing wave at its third harmonic. What is the distance between one node and the adjacent antinode?
They ventilate their burrows by building a mound over one entrance, which is open to a stream of air; and the other entrance is at ground level.
A newly discovered faint asteroid and Mars are observed at opposition. Mars is observed to be 100 million times brighter than the asteroid.
A certain object weighs 100 N. When placed in water it weighs 72 N and when placed in oil it weighs 82 N.
A wave causes a displacement y that is given in meters according to y=(0.45) sin (8.0 * 3.14t - 3.14x), where t and x are expressed in seconds.