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A 0.5 kg mass is located on the end of a vertical spring that has a spring constant k of 75 N/m and eased down into its equilibrium position.
A) Compute the change in spring (elastic) potential energy of the system.
B) Find change in gravitational potential energy of system.
A 1.0-cm-diameter microscope objective has a focal length of 2.8 mm . It is used in visible light with a wavelength of 550 nm. What is the objective's resolving power if used in air
A quantity of steam (500 g) at 106 C is condensed, and the resulting water is frozen into ice at 0 C. How much heat was removed?------kcal
An unknown number of moles of an ideal monoatomic gas expand reversibly from Vi = 1.30 m3 to Vf = 2.20 m3, Calculate the work done by the gas
A basketball player makes a jump shot. The 0.700 kg ball is released at a height of2.10 m above the floor with a speed of7.10 m/s. The ball goes through thenet 3.10 m above the floor at a speed of 4.30 m/s.
A peregrine falcon in a tight, circular turn can attain a centripetal acceleration 1.61 times the free-fall acceleration. what is the radius of the turn
It takes a minimum force of 280N to move a 50 kg crate. What is the coefficient of maximum static friction between the crate and the floor
X-rays are scattered from a target at an angle of 15.2° with the direction of the incident beam. Find the wavelength shift of the scattered x-rays
in unit-vector notation what is the torque about the torque about the origin on a particle located at coordinate 0
A bar-shaped piece of silicon at room temperature is one inch inlength and has a 100 μm2 cross-sectional area (i.e. 10x10μm). It is doped with phosphorous to a concentration of1017/cm3. Find the electrical current through the bar when avoltage of ..
ultrasound is used to view the interior of the body much as x rays are utilized. for sharp imagery the wavelength of
Orange light of frequency 5.00E14 Hz is incident normally on a glass plate of thickness 2.50 cm and index of refraction 1.50. Find the number of waves in the plate at any instant
An airplane is flying at 600 km/h at an altitude of 2.0km. how far away is she from being directly below the airplane
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