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According to the shop manual, when drilling a 13.0-mm-diameter hole in wood, plastic, or aluminum, a drill should have a speed of 1400 rev/min.
1. For a 13.0-mm-diameter drill bit turning at a constant 1400rev/min , find the maximum linear speed of any part of the bit.
2. Find the maximum radial acceleration of any part of the bit.
If the perceived frequency becomes constant at 440 Hz, what is terminal speed at the paratrooper? Take the speed sound in air to be 343 m/s and assume the paratrooper always remains below the helicopter.
A solid cylinder of mass 3 kg and radius 0.2 m starts from rest at the top of a ramp, inclined 15°, and rolls to the bottom without slipping. (For a cylinder I = 0.5MR2) The upper end of the ramp is 1.2 m higher than lower end. Find the linear sp..
A uniform line of charge that is 20.0 cm long has a total charge of -6.00 ?C. What is the electrostatic force on the electron
A 55-kg swimmer is standing on a stationary 210-kg floating raft. The swimmer then runs off the raft horizontally with a velocity of +4.6 meter per second relative to the shore. Calculate the recoil velocity that the raft would have if there were ..
What is the horizontal distance between elbow and the point where the weight of the forearm acts.
The coefficient of kinetic friction between each brake pad and the rim is μk = 0.85. What is the magnitude of normal force that each brake pad applies to the rim.
A grindstone of radius 4 m is initially spinning with an angular speed of 8 rad/s. The angular speed is then increased to 10 rad/s over the next 4 seconds. Imagine that the angular acceleration is constant.
A container with a one-liter capacity at 27°C is filled with helium to a pressure of 2 atm. How many moles of helium does it hold
A parachutist with a camera, both descending at a velocity of 12 m/s, releases that camera at an altitude of 120 m.
An electron and a anti-electron (Positron) circle eachother at a distance of 1.00x10^-19m. What is the electrostatic force between the particles
A long, current-carrying solenoid with an air core has 1640 turns per meter of length and a radius of 0.0173 m. What is the mutual inductance of this system
Given an isothermal expansion of gas from 1.0 to 2.0 cubic meters in a piston-cylinder arrangement where pressure varies according to P= 1.2 atm -.062 atm/ m^3 V, How much thermal energy was transferred
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