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Three identical thin rods, each of length L and mass m, are welded perpendicular to one another as shown in the figure below. The assembly is rotated about an axis that passes through the end of one rod and is parallel to another. Determine the moment of inertia of this structure about this axis. (Use any variable or symbol stated above as necessary.)
Suppose that suddenly the angular velocity of the moon wa about the earth quadrupled. Assuming conservation of angular omentum the distance between the earth and the moon must have suddenly doubled.
Three charges, each +6 micro F, are located at the three corners of an equilateral triangle of sides 2 centimeter. Find the electric potential at the center of the triangle
A diesel engine performs 2200J of mechanical work and discards 4300J of heat each cycle. A) How much heat must be supplied to the engine in each cycle? B) What is the thermal efficiency of the engine?
how much work is required to place q3 at (0,-3)? D) Calculate the electric potential energy of the group of three charges.
You are in a hot air balloon (yes, another balloon problem!) rising from the ground at a constant velocity of 2.70 m/s upward. To celebrate the takeoff, you open a bottle of champagne, expelling the cork with a horizontal velocity of 4.00 m/s rela..
A spelunker (cave explorer) drops a stone from rest into a hole. The speed of sound is 343 m/s in air, How deep is the hole
two stones are released from rest at a certain height one after the other.a. will the difference between their speeds
A parallel plate capacitor has plates that are 2.25 mm apart. What is the capacitance of this capacitor
A marine biologist powers the 1000 W, 24 V electric outboard motor on her boat from a 55 A*hr battery. How long can she run the motor before the battery is drained?
a uniform 4.5-T magentic field passes perpendiculary through the plane of a wire loop 0.10 m2 in an area. what flux passes through the loop
A 2.00-g charged particle is released from rest in a region that has a uniform electric field vector E = (590 N/C) i hat. After traveling a distance of 0.470 m in this region, the particle has a kinetic energy 0.150 J.
q1. the density of gold is 1.93times104 rmkgmrm3. 203 rm g of gold is shaped into a cube. what is the length of each
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