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A spring is hanging from the ceiling. Attaching a 440gg mass to the spring causes it to stretch 18.0cmcm in order to come to equilibrium.
A) What is the spring constant?
B) From equilibrium, the mass is pulled down 10 cm and released. What is the period of oscillation?
C) What is the maximum speed of the mass?
At a distance of 1.41 m from a point charge of +2.74 ?C, how many of the additional equipotential surfaces are crossed by the time the electric field has shrunk to one-half of its initial value
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What is magnitude of the change in the magnetic field
What is the smallest thickness of a soap film (n=1.40) that would appear black if illuminated with 470nm light? Assume there is air on both sides of the soap film
What is the distance Delta y_max-min between the second maximum of laser 1 and the third minimum of laser 2, on the same side of central maximum.
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