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A block of mass 12 kg slides from rest down a frictionless 35 degree incline and its stopped by a strong spring with k= 3x10^4 N/m. The block slides 3m from the point of release to the point where it comes to rest against the spring.
a) what is the total energy of block initially?
A tiny sphere with a charge of q = +6.4 µC is attached to a spring. Two other tiny charged spheres, each with a charge of ?4.0-µC, are placed in the positions shown in the figure, in which b = 4.1 cm.
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Three equal point charges, each with charge 1.70 μC, are placed at the vertices of an equilateral triangle whose sides are of length 0.700 m. What is the electric potential energy, U, of the system
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a supersized 5g cockroach walks out along a 1m long uniform horizontal wood flagpole which is connected to the side of a building with a light weight cable and a very low friction bearing. how far can the bug walk out along the pole before the cabl..
Two point charges, q1 = 2.0 pC and q2 = -2.0 pC, are separated by 5.6 µm. What is the dipole moment of this pair of charges
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Suppose the rotational kinetic energy of a solid disc is 1000 J when the disk has an angular velocity of 3 rad/s. What is the disk's moment of inertia
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