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In the Atwood machine shown below, m1 = 2.00 kg and m2 = 5.35 kg. The masses of the pulley and string are negligible by comparison. The pulley turns without friction and the string does not stretch. The lighter object is released with a sharp push that sets it into motion at vi = 2.65 m/s downward.(a) How far will m1 descend below its initial level? (b) Find the velocity of m1 after 1.80 s.
Two equal masses, one initially at rest and the other traveling to the right at a speed of 3.6 m/s, elastically collide. Determine the final speed of both masses
A transverse wave on a string has an amplitude of 0.223 m and a frequency of 194 Hz. How much time passes between the first two instants when this particle has a displacement of y = 0.114 m
A large electromagnet has a 23 T magnetic field between its poles. What is the magnetic energy density between the poles
Knowing the sign of the work done on an object is a crucial element to understanding work. Positive work indicates that an object has been acted on by a force that tranfers energy to the object, thereby increasing the object's energy. Negative wor..
two objects one with mass will 80 g and the other with mass 20 g are pushed by a spring in opposite directions. if the
Artificial gravity is a must for any space station if humans are to live there for any extended length of time. Without artificial gravity, human growth is stunted and biological functions break down. An effective way to create artificial gravity ..
A child places a picnic basket on the outer rim of a merry-go-round that has a radius of 5.0 m and revolves once every 26 s. What is the speed of a point on that rim
A screen is placed 1.30 {rm m} behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.70 {rm cm} wide-that is, two first-order diffraction minima are separated by 1.70 {rm cm}.
a bug sits on the edge of a spinning wheel of radius .2m which is rotating counter clockwise at a rate of 6 rad/sec and slowing down at a rate of 4 rad/s^2. what is the magnitude of the tangential acceleration
An electron is accelerated through a potential difference of 10 Megavolts. By what factor has the mass of the electron increased
The internal energy of a system changes becasue the system gains 176 J of heat and performs 312 J of work. During this return process, what work is involved
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum, is vibrating with an amplitude of 6.3X10^-7m, what is the maximum acceleration of the eardrum
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