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A thin rod has a length of 0.694 m and rotates in a circle on a frictionless tabletop. The axis is perpendicular to the length of the rod at one of its ends. The rod has an angular velocity of 0.271 rad/s and a moment of inertia of 1.24 x 10-3kg·m2. A bug standing on the axis decides to crawl out to the other end of the rod. When the bug (whose mass is 5 x 10-3kg) gets where it's going, what is the change in the angular velocity of the rod?
Derive the speed of the wave water in a shallow pool of water of depth y. You may consider using a method similar to the derivation of the sound wave equation
What is the wavelength of the second laser that would place its second maximum at the same location as the fourth minimum of the first laser, if = 0.300 ?
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. calculate How fast are the waves traveling
A large oak tree produces 2.2 metric tons of wood over a 50 year growth lifespan. find the tree's efficiency for converting solar energy to wood heating value
A capacitor is consists of two short sections of parallel wires in air. One wire is found to be of the voltage of 56 V, What is the capacitance of the two wires
A 0.800 kg projectile is launched from the edge of a cliff with an initial kinetic energy of 1875 J and at its highest point is 211.2 m above the launch point. find the vertical component of its velocity just after launch
Two protons are moving directly toward one another. When they arevery far apart, their initial speeds are 2.1 106 m/s. What is the distance of closest approach
The US navy long proposed the construction of extremely low frequency (ELF WAVES) communications systems. how practicle is this antenna
What is the resultant velocity of the lightning bug. find the force provided by the cable.
A flywheel rotates with an angular speed of 27rev/s . As it is brought to rest with a constant acceleration, it turns 53rev . What is the magnitude of the angular acceleration
life scientists use ultracentrifuges to separate biological components or to remove molecules from suspension. samples
A mass m travels at speed 3c/5, and another mass m sits at rest. a) Find the energy and momentum of the two particles in the lab frame. b) Find the speed of the CM of the system,
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