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A 3.2 kilogram block is hanging stationary from the end of a vertical spring that is attached to the ceiling. The elastic potential energy of this spring-mass system is 1.7 Joule. Determine the elastic potential energy of the system when the 3.2 kilogram block is replaced by a 5.3 kilogram block?
A 0.527-kg mass is attached to a horizontal spring with k = 108 N/m. The mass slides across a frictionless surface. Find the mechanical energy of the system.
An unstable particle is at rest and suddenly breaks up into two fragments. What is the velocity of the more massive fragment
If a person hike 5 km north, 4 km to the east, 3 km to the north, 2km to the west, and 4 km to the south. What is the the distance the hiker traveled
A park merry-go-round consists of a 210 kg circular wooden platform 3.90 m in diameter. Four children running alongside push tangentially along the platform's circumference until, starting from rest, the merry-go-round reaches a steady speed of on..
Two spherical shells have a common center. A -2.1 10-6 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +5.0 10-6 C charge is spread uniformly over the outer shell.
A 5.0-kg projectile is fired over level ground with a velocity of 200.0 m/s at an angle of 30.0 ° above the horizontal
An inductor is connected to a 12kHz oscillator that produces an rms voltage of 6.0V. The peak current is 60mA. What is the value of the inductance L
The fan blades on a jet engine make one thousand revolutions in a time of 81.8 ms. What is the angular frequency of the blades
A potter's wheel a thick stone disk of radius 0.500 meter and mass 125 kilogram is freely rotating at 50.0 rev/min. Determine the effective coefficient of kinetic friction between the rag and the wheel
Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart, and they then fly off in opposite directions, what are the kinetic energies of each particle
A thin disk of uniform density, mass 5kg and radius :25m, rests on a frictionless table. Find the linear and angular speed of the disk clay system after the impact
To develop muscle tone, a woman lifts a 4.50 kg mass held in her hand. She uses her biceps muscle to flex the lower arm through an angle of 60.0°. How much work does she do
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