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A m = 2.0-kg block sits on a M = 4.0-kg block. There is no friction between m and M. There is no friction between M and the surface below it. If F = 12 N, which blocks move and what is their acceleration?
(1) M moves with a = 3.0 m/s2
(2) m and M move with a = 2.0 m/s2
(3) m moves with a = 6.0 m/s2
(4) M moves with a = 2.0 m/s2
(5) None of these.
An autographed baseball rolls off of a 0.54 meter high desk and strikes the floor 0.68 meter await form the desk. The acceleration of gravity is 9.81 m/s2. Find how fast was it rolling on the desk before it fell off
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Helium-neon laser light (λ = 632.8 nm) is sent during a 0.290 mm wide single slit. What is the width of the central maximum on a screen 2.00 m from the slit? A screen is placed 48.0 cm from a single slit, which is illuminated by light of wavelength 6..
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