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A 2.0 kg ball tied to a string fixed to the ceiling is pulled to one side by a force to an angle of ? = 33.5°.
(a) Just before the ball is released and allowed to swing back and forth, how large is the force that is holding the ball in position?
(b) Just before the ball is released and allowed to swing back and forth, what is the tension in the string?
A 50g hard-boiled egg oscillates on a spring with force constant 25N/m. A damping force F=-bv acts on the egg. Calculate the magnitude of the damping constant b
A prism has a vertex angle of 60° and an index of refraction of 1.52. What is the minimum angle of incidence, measured away from the vertex
A 7.40-nC charge is positioned 1.70 m from a 4.80-nC charge. (a) Find the magnitude of electrostatic force that one particle exerts on the other. (b) Is the force attractive or repulsive.
What would be the fundamental frequency on a piece of the same string that is twice as long and has four times the tension
In a physics laboratory experiment, a coil with 200 turns enclosing an area of 12.0 cm^2 is rotated from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to field.
A skier traveling 11.2 m/s reaches the foot of a steady upward 15.8° incline and glides 10.9 m up along this slope before coming to rest
Determine the number of moles of air that leave the house during the daytime.
A heat engine with an efficiency of 35% performs 160j of work, how much heat is discharged to the lower temperature
A uniform 20m tall cylindrical tower of mass 2.0x10^4 kg, what force must be applied horizontally at the center of mass to just stop it toppling
A major motor company displays a die-cast model of its first automobile, made from 5.60 kg of iron. To celebrate its hundredth year in business.
At its narrowest point the femur bone in the human leg resembles a hollow cylinder that has an outer radius of roughly 1.1 cm, how much force will be required to rupture it
A bowling ball encounters a 0.760 m vertical rise on the way back to the ball rack, Find the translational speed at the top
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