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1. A man walking on a tightrope carries a long a pole which has heavy items attached to the two ends. If he were to walk the tight-rope with just a pole, what difference would it make to his balance? Discuss this in terms of angular rotation, angular momentum, and moment of inertia.
All discussions should include an in depth analysis and references.
2. Discuss the applications of rotational forces in real-life situations. Remember to include relevant equations.
3. Discuss stress and strain of materials in terms of Hooke's law.
The compressor of an air conditioner draws an electric current of 21.2 A when it starts up. If the start-up time is 1.75 s long, then how much electric charge passes through the circuit during this period?
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 23.0 m/s at an angle 28.0 degrees; find What is the distance between the two girls
A rubber ball with a radius of 4 centimeter rolls along the horizontal surface of a table with a constant linear speed v. If the ball completes 0.47 revolutions during its fall, calculate what was its linear speed, v
A worker pushed a 27 kg block 7.6 m along a level floor at constant speed with a force directed 32° below the horizontal. What was the increase in thermal energy of the block-floor system?
A disk of radius R = 11 cm is pulled along a frictionless surface with a force of F = 16 N by a string wrapped around the edge. what is the torque exerted about the center of the disk
A U tube is filled with water, and the two arms are capped. The tube is cylindrical, and the right arm has twice the radius of the left arm. The caps have negligible mass, are watertight, and can freely slide up and down tube.
A parallel-plate capacitor has 2.8cm × 2.8cmelectrodes with surface charge densities ±1.0×106 C/m2. By what distance has the proton been deflected sideways
An RL circuit consists of a switch, an emf source Eo, a 4 kΩ resistor, and a 5 H inductor. If the potential across resistor is 16 V 5 ms after switch is closed, find out the source emf, Eo.
obtain the equation of motion for a 125g mass at the end of a perfectly elastic spring which when stretched 14.5 cm from equilibrium, find the maximum velocity and total energy of the mass
a helium tank holds 0.62m^3 of heliumat a pressure of 910 kPa. What volume would the helium occupy
If a sound wave traveles throught soft tissue a a velocity of 1.54 mm/microsecond for 2203ms. How far has the sound wave traveled using the echo-ranging formula d=ct
A compound microscope has an objective with a focal length of 3.00mm and an eyepiece of focal length 6.00 cm. If the two lenses are separated by 40.0 cm,what is the total magnification?
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