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A block of mass 4kg is suspended from a spring with spring constant = 500N/m. A bullet weighing 50.0 g is fired into the block from directly below with a speed of 150 m/s and becomes embedded in the block. a) Find the amplitude of the resulting simple harmonic motion. b) What percent of the original kinetic energy of the bullet is transferred to mechanical energy of the oscillator?
a 15 kg hoop of radius 1 m is spinning at a rate of 4 rotations per second, What is the speed in rotations per minute
A potter's wheel -- a thick stone disk of radius 0.500 m and mass 110 kg -- is freely rotating at 50.0 rev/min. Find the effective coefficient of kinetic friction between the wheel and the rag
Two insulating spheres have radii r1 and r2, masses m1 and m2, and uniformly distributed charges -q1 and q2. How fast is each moving when they collide
What is the angular separation of two spectral lines of wavelengths 446 nm and 398 nm formed in order m=2 with a 360 line/mm grating
The escape speed of a particular planet with a radius of 7.900e+6 m is 14,500 m/s. What is the mass of the planet
an object is initially moving with a speed of 10.0 ms in the direction 60.0 degrees n of e. ten seconds later the
q1. a pinball machine launches a 139 g ball with a spring-driven plunger. the game board is inclined at 6 above the
A 0.180kg block of ice is placed against a horizontal, compressed spring mounted on a horizontal tabletop that is 1.40m above the floor. what is the speed of the block of ice when it reaches the floor
It is found experimentally that the electric field in a certain region of Earth's atmosphere is directed vertically down. At a certain location, Find the net amount of charge contained in a cube
A proton is introduced at rest at a distance of 2 x 10^-14 from a bare nucleus of uranium, What is its kinetic energy in eV when it is expelled to infinity
The coefficient of kinetic friction between her skis and the snow.
A 2.30-MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. Calculate the speed of the fetal heart wall at the instant this measurement is made
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