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Assume that the galaxy is a large cube, made up of 200 billion stars, each star positioned on the corner of a small cube arranged together in a lattice. The entire lattice of small cubes makes up the larger cube representing the entire galaxy. Let the distance between each neighboring star be D = 5 LY, where D is the length of the side of one of the small cubes. If 100 currently signaling civilizations are randomly distributed somewhere in this 'cubic' galaxy, how far away in LY is the nearest civilization likely to be?
There was an answer to this problem already posted on course hero, but I did not understand how to get the answer.
Your best reaction time before breaking is t0 .75s. to avoid having the front of your carenter the intersection after thr light turns red, should you break to stop or continue to move at 55km/h if the distance the intersection and the duration of..
a proton is released from rest in a uniform electric field of magnitude 373 nc. a find the electric force on the
A spacecraft moving away from Earth emits a 4624 Hz signal. A scientist on Earth measures the signal to be 4623 Hz. Discuss is the speed of the spacecraft relative to Earth?
A 2.96 mA beam of electrons moving at 2.09x106 m/s enters a region with a sharply defined boundary, Find the transmitted and reflected currents
In this simulation you can choose between seven possible circuits by clicking on one of the small circuit diagrams shown at the upper right. What is the maximum possible total current that can be obtained in this simulation
A sledge with bricks has a total mass of 180.0 kg and is pulled at a constant speed by a rope inclined at 20 degrees above the horizontal. The sledge moves a distance of 20 m on a horizontal surface.
q1. consider the gas consisting of a large number of non-interacting particles in which energy of each particle can
If the heat is supplied by a stove burner at the rate of 2.0 \rm kW, how long will it take to heat the pan
An electron is released from rest at the negative plate of a parallel plate capacitor. How fast is the electron moving just before it reaches the positive plate
An earth satellite moves in a circular orbit with an orbital speed of 5800m/s. Find the radial acceleration of the satellite in its orbit
At takeoff, a commercial jet has a speed of 60.0 m/s. Its tires have a diameter of 0.850 m. At how many rpm are the tires rotating
An object has a kinetic energy of 265 J and a momentum of magnitude20.9 kg·m/s. Find the speed and the mass of the object
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