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A 3.0 kg mass collides and sticks to a 5.0 kg mass connected to theend of a string. If the masses move to a position 18.0 cm aboveequilibrium , what is the initial speed of the two mass system?
A 529 kg automobile slides across an icy street at a speed of 66.0 km/h and collides with the parked car which has a mass of 856 kg. The two cars lock up and slide together. What is the velocity of the two cars just after they collide.
A stone is dropped at t = 0. A second stone, with 6 times the mass of the first, How far below the release point is the center of mass of the two stones at t = 340 ms
A uranium atom is ionized seven times, losing seven electrons inthe process. Its resulting mass is 3.90×10−25 kgand it is given a kinetic energy of 3000 eV. If it circles ina magnetic field at a radius of 4.00 m, what is the strength of the magnetic ..
It takes the Earth 24 hours to make a complete rotation around its axis. What is the angular velocity of the Earth in rad/s
Some skin divers go as deep as 50 m. What is the gage pressure at this depth in fresh water, and what is the ratio of absolute pressure at this depth to normal atmospheric pressure.
An object of mass M= 4.3 kg is suspended from a spring of constantk = 1.42 N/m. What is the displacement of the end of the spring dueto the weight of the mass?
If the mercury in this barometer is replaced with water, to what height does the column of water rise
A coil is located at the center of a long solenoid of R= 15 cm whichhas 5x10^7 turns per meter and carries a current I=16 A. The coil is coaxial with the solenoid and consist of 5 turns of wire, each in shape of length a=5cm on each side. What is ..
A flywheel is initially rotating at 20 rad/s and has a constantangular acceleration. After 9.0 s it has rotated through 450 rad. Its angular acceleration is:
When in orbit, a communication satellite attracts the earth with aforce of 19.0 kN and the earth-satellite gravitational potential energy (relative to zero at infiniteseparation) is -1.59 multiplied by 1011 J. Find the satellite's altitude above th..
Ball A is fired straight upward, Ball B is fired straight down, and Ball C is fired horizontally. Rank, from largest to smallest, the speed of each ball at the instant (just before) it collides with the ground.
The fundamental physical constant of quantum mechanics, h, has played an important role in each of the three theoretical advances (those relating to the blackbody spectrum, the photoelectric effect, and the structure of the H atom).
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