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A 2.7-kg block is traveling to the right (the +x direction) at 5.1 m/s, and a second 2.7-kg block is traveling to the left at 1.8 m/s.
(a) Find the total kinetic energy of the two blocks.
(b) Find the velocity of the center of mass of the two block system.
(c) Find the velocity of each block relative to the center of mass.
(d) Find the kinetic energy of the blocks relative to the center of mass.
A box of mass 12.0 kg is sitting on the floor of an elevator which is accelerating upwards at 5.1 m/s2. If the coefficient of static friction between the box and the floor if 0.30, what is the minimum horizontal force needed to just start moving the ..
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A Doctor order to prepare a glass for a patient with anti-reflection coating for 400 nm and 700 nm wavelength light. Find the minimum thickness of the coating required for this job
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