A 30-kg particle has a position vector given by r20t2i30j
A 3.0-kg particle has a position vector given by r=(2.0t^2i+3.0j) where r is in meters and t is in seconds. What is the angular momentum of the particle, in kg×m^2/s, about the origin at t = 2 s?
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if the uncertainty in velocity of an electron is 8000 ms what is the minimum uncertainty in its
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two identical rollers are mounted with their axes parallel in a horizontal plane a distance 2d 236 cm apart the two
a 30-kg particle has a position vector given by r20t2i30j where r is in meters and t is in seconds what is the angular
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