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A particular spring has a force constant of 2.5 X 103N/m.
(a) How much work is done in stretching the initially-relaxedspring by 6.0 cm?
(b) How much more work is done in stretching the spring an additional 2.0 cm?
A brass lidscrews tightly onto a glass jar at 20°C. To help open the jar,it can be placed into a bath of hot water. Find the size of the gap (difference in radius) that develops by this procedure
What is the magnitude of vertical component of its velocity as it strikes the ground.
a 40.5-cm-by-40.5-cm checkerboard has a mass of 108.5 g. there are four 23.5-g checkers located on the checkerboard as
A cylindrical pulley with a uniform solid disk shape has a radius of 10.0cm and a mass of 0.80kg. At this point, what total percentage of the kinetic energy does the pulley have
The dimensions of the picture on a 35.0{\rm mm} color slide are x = 24.0{\rm mm} {\times}y = 36.0{\rm mm}. What are the dimensions of the image on the screen
calculate the expectation value of the x position of a particle known to be in a state n 3 of a 1d box of length l.
an organ pipe is 2.0m long.Assume the pipe is cylindrical with one closed and one open end. what is the longest wavelength for a standing sound wave
A force of 10N acts on two blocks on frictionless surface. the first block is 3kg, and the second block is 2kg. what is the acceleration of the system? what force does the 3kg block exert on the 2kg block? what force does the 2kg block exert on th..
A spring (k =805N/m) is hanging from ceiling of an elevator, and a 5.0-kg object is attached to the lower end. By how much does the spring stretch (relative to its unstrained length) when the elevator is accelerating upward at a = 0.47m/s2.
a single square loop of wire 23.7 cm on a side is placed with its face parallel to the magnetic field between the pole
as you drive down the road at 15.6 ms you press on the gas pedal and speed up with a uniform acceleration of 1.38 ms2
A spacecraft is in orbit around a planet. The radius of the orbit is 2.9 times the radius of the planet (which is R = 71483 km). What is the period of the spacecraft's orbit
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