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A ball of mass 0.196 kg with a velocity of 1.41 m/s meets a ball of mass 0.302 kg with a velocity of -0.393 m/s in a head-on, elastic collision. (a) Find their velocities after the collision. 1f = m/s 2f = m/s (b) Find the velocity of their center of mass before and after the collision. cm, before = m/s cm, after = m/s
Draw a free-body diagram for the instrument during this time.(Assume that the space ship is accelerating upward. ) Find the force that the wire exerts on the instrument.
A compound microscope in which the objective and eyepiece are 30.2 cm apart uses an objective lens with fobj = 1.0 cm, What is the magnification of the microscope
The portion of the board on the table measures .30m and the portion of the table measures .20m. Explain how far can the center of the box be over the table before the board begins to tilt?
A uniform cylinder of radius 11 cm and mass 24 kg is mounted so as to rotate freely about a horizontal axis that is parallel to and 4.6 cm, What is the rotational inertia of the cylinder about the axis of rotation
A skier starts at the top of a hill angled at 30 degrees from the horizontal. The hill is 100 meters long. how fast is he going when he reaches the bottom of the hill
A monochromatic beam of light is absorbed by a collection of ground-state hydrogen atoms in such a way that three different wavelengths are observed, What is the wavelength of the incident beam
On a merry-go-round, jessica is on a horse 5m from the center and her twin sister,julia, is seated 8m from the center. what is their relationship in terms of linear velocity
Blood can carry excess energy from the interior to the surface of the body, where the energy is dispersed in a number of ways. determine the temperature of the blood
the velocity vector of a sprinting cheetah has x and y components vx= +12.6 m/s and vy=-27. m/s. what is the magnitude of the velocity vector
suppose that no heat is lost to the surroundings, what is the situation when termal equilibrium is reached.
A girl rides an escalator that moves her upward at a constant speed. As the girl rises, how do her gravitational energy and kinetic energy change.
The department actually completed 10,000 hours of production. Illustrate what is the appropriate total budget for the department, assuming it uses flexible budgeting?
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