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A 130gram meter stick is perpendicular to a rough verticalwall because of a 2.0meter string attached to the wall and the farend of the stick.
a) show all forces acting on stick
b) What force does string exert on stick?
At what position is the third bead in equilibrium? Can it be in stable equilibrium.
An AC adapter for a telephone answering machine uses a transformer to reduce the line voltage of 120 V to a voltage of 7.00 V. What is the power drawn from the electric outlet
A model rocket with mass 1.62 kg starts from rest on the ground and accelerates upward with engine force 45.8 N. Find the work done by the rocket engine
An archer fish spies a meal of a grasshopper sitting on a long stalk of grass at the edge of the pond in which he is swimming. What angle above the horizontal must he spit
a plane leaves seattle flies 75.0rm mi at 22.0circ north of east and then changes direction to 55.0circ south of east.
A 21.00 lead sphere is hanging from a hook by a thin wire 3.90 long, and is free to swing in a complete circle. What must be the minimum initial speed of the dart so that the combination makes a complete circular loop after the collision
A 2.0 object is attached to a spring (k=55.6 N/m) that hangs vertically from the ceiling. find the magnitude of the maximum acceleration of the object
A 2.20-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.10 m down the incline in 1.60 s. Find the friction force acting on the block
An ice skater is rotating at 3.4rev/seconds while her arms are beside her. The moment of inertia of the skater is 5kg x m^2. what is her new angular velocity
Compare the Boltzmann distribution, the Bose-Einstein distribution, and the Fermi-Dirac distribution.
A record (mass 100g and radius 12cm) is rotating at a rate of 33rpm. What is the new rotational rate if angular momentum is conserved
the plastic tube in the figure has a cross-sectional area of 6.69 cm2. the tube is filled with water until the short
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