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A 0.527-kg mass is attached to a horizontal spring with k = 108 N/m. The mass slides across a frictionless surface. The spring is stretched 32.9 cm from equilibrium, and then the mass is released from rest.
a) Find the mechanical energy of the system.
b) Find the speed of the mass when it has moved 2.45 cm.
c) Find the maximum speed of the mass.
A constant horizontal force a pushes a kg FedEx package across a frictionless floor on which an xy coordinate system has been drawn. package's x and y velocity components versus time t.
A device used in radiation therapy for cancer contains 0.38 g of cobalt-60 (59.933 819 u). Determine the activity (in Bq) of the radioactive material
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Consider an object that is hot enough to glow violet blue (a peak frequency of 7.5 x 1014 Hz). What is the temperature of this object
You are trying to advance your shooting skills by shooting at a can on top of a fence post. You miss the can, and the bullet, moving at 207 m/s, is embedded 1.54 cm into the post when it comes to a stop. If constant acceleration is assumed, how long ..
At a recent rock concert, a dB meter registered 114 dB when placed 1.30 m in front of a loudspeaker on the stage, What was the power output of the speaker
The index of refraction for violet light in plastic is greater than that for red light by 0.0410. Delaying any rounding off of calculations until the very end, find the index of refraction for violet light in plastic.
What is the total momentum of system after the collision.
A solid metal ball of radius 1.6 cm is located near a hollow plastic ball of radius 2.1 cm, What is the electric field at the center of the metal ball due just to the charges on its surface
Find the radius R of the star Rigel, the bright blue star in the constellation Orion, which radiates energy at a rate of 2.7×1032 W
A point charge is outside of a spherical surface and no charge is enclosed by that surface, What is the flux through the entire closed surface
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