Physics, 25.11.2020 15:30 Emptypockets451
A frictionless disc of mass 0.50 kg is moving in a straight line across an air table at a speed
of 2.4 m/s when it bumps into an elastic band stretched between two fixed posts. If the
elastic band exerts an average opposing force of 1.4 N on the disc for 1.5 s, what will be
the final velocity of the disc?
Answers: 2
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Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .
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Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?
Answers: 1
A frictionless disc of mass 0.50 kg is moving in a straight line across an air table at a speed
of...
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