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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, free of the spring. The mass of A is 3.00 times the mass of B, and the energy stored in the spring was 139 J. Assume that the spring has negligible mass and that all its stored energy is transferred to the particles. Once that transfer is complete, what are the kinetic energies of each particle?
J (particle A)
J (particle B)
You are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. How far away are the cliffs
create destructive interference between the speakers. Friction provides the force required for a car to travel around a flat, circular race track.
A 12.4??C particle with a mass of 2.70×10?5kg moves perpendicular to a 1.01T magnetic field in a circular path of radius 22.8m. How long will it take the particle to complete one orbit
a ball moving with speed v collides with a horizontal smooth surface at an angle ? with normal to surface. if
In each cycle of its operation, a refrigerator removes 10 J of heat from the inside of the refrigerator and releases 38 J of heat into the room. How much work per cycle is needed to operate this refrigerator.
While in church, Peter notices a lamp hung by a light chain to the ceiling. Peter counts 85.0 cycles in 592 seconds. How high is the ceiling above the lamp
Two aluminum wires have the same resistance. If one has twice the length of the other, what is the ratio of the diameter of the longer wire to the diameter of the shorter wire
An LED is constructed from a pn-junction based on a certain GA-As-P semiconducting material whose energy gap is 1.9 eV. What is the wavelength of the emitted light
A 7430-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. Find the work done by the gravitational force
Two capacitors connected in parallel produce an equivalent capacitance of 40.0?F, What is the individual capacitance of each capacitor
q1. a car slows down with an acceleration that has a magnitude of 3.6 ms2. while doing so it travels 113 m in the x
The density of water is 1.0 x 10^3 kg/m3. Calculate the gauge pressure in the pipe at this location.
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