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A 45.0 kg girl is standing on a 159 kg plank. The plank, originally at rest, isfree to slide on a frozen lake, which is a flat, frictionlesssurface. The girl begins to walk along the plank at a constantvelocity of 1.41 m/s relative to theplank.
(a) What is her velocity relative to the surface of ice?
m/s
(b) What is the velocity of the plank relative to the surface ofice?
consider a system consisting of 3 charges. a 1 c charge is located at x 0 a 2 c charge is located at x 2 cm and -1 c
If the laser light wavelength is 1062 (this corresponds to a Neodymium-YAG laser), how many wavelengths are found within the laser pulse
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The change in specific enthalpy during the melting of ice at 0 degrees C and 1.01 X 10^5 Pa is ?h= 333.39 kj/kg. find the change in entropy of reservoir and universe
Find out the tension in the rope
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