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A single conservative force acts on a 5.00kg particle. The equation Fx = (2x + 4) Ndescribes this force, where x is in meters. As the particlemoves along the x axis from x = 2.20 m to x = 6.60 m, calculate the following.
(a) the work done by this force
J
(b) the change in the potential energy of the system
(c) its kinetic energy of the particle at x = 6.60 m if its speed is is 3.00 m/s at x =2.20 m.
A 2.0 kg pendulum bob on a string 1.5m long is released with a velocity of 0.0 m/s when the support string makes an angle of 60 degrees with the vertical. What is the tension in the string at the bottom of the swing?
A 13 g bullet traveling 215m/s penetrates a 2 kg block of wood and emerges cleanly at 157m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after bullet emerges.
A bug crawls outward from the center of a compact disc spinning at 160 revolutions per minute. The coefficient of static friction between bug's sticky feet and disc surface is 1.10.How far does the bug get from the center before slipping.
In an L-R-C series circuit, the rms voltage across the resistor is 28.0V , across the capacitor it is 91.0V, What is the rms voltage of the source
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At a rock concert, the sound intensity 1.0m in front of the bank of loudspeakers is 0.10W/m^2. How much energy is transferred to each eardrum in one second
A cable is stretched horizontally across the top of two vertical poles 20 m apart. What is the tension in each cable segment
A certain ac signal at 60 Hz is applied across a 40-mH inductor and a 200-? resistor. What is the power factor of this circuit
If the top coil were rotated 90 degrees about a vertical axis through the center of the coil so it is perpendicular to the balance coil, how would the results of the experiment change
This problem introduces the concept of tension. The instance is a rope, oriented vertically, that is being pulled from both ends. Let and (with u for up and d for down) represent the magnitude of the forces acting on the top and bottom of the rope..
Water has a specific heat capacity of 4186 J/kg C. A tank contains 500 kg of water at 10 C. what is the cost of heating the water
A downward force of 60 N is exerted on the top of the book by a hand pushing down on the book. What is the gravitational force acting on the book
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