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A thin rod has a length of 0.25 meter 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 0.28 rad/s and a moment of inertia of 1.40 x 10-3 kg •m2. A bug standing on the axis decides to crawl out to the other end of the rod. When the bug (mass = 4.2 x 10-3 kilogram) gets where it's going, evaluate what is the angular velocity of the rod?
question1what is speed of a car going v 1mph in si units? observe that you will require changing from miles to meters
An electron moving at a speed of 0.68c collides head on with a positron alsomoving at 0.68c. Determine the energy and momentum of each photon
A proton is initially at rest at a point where the potential is 507V. Sometime later the proton is at a point where the potential is 187V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy.
A sealed tube (0.5 L) in volume confines two moles of an ideal gas at a pressure of 2 atm. what is the new pressure of the ideal gas
A car owner forgets to turn off the headlights of his car while it is parked in his garage. how long will it take the battery to completely discharge
Two different balls are rolled (without slipping) toward a common finish line. Their angular speeds are shown to the right. how long does each ball take to reach the finish line
A 1000 kg roller coaster car starts from rest from a hilltop 60.0 m above the ground and moves (without power) down, what is the average frictional force between the car's wheels and the track
A tennis player hits a 1.45 kg tennis ball with a racket of mass 2.5 kg. If he hits the ball with a velocity of 7.5 m/s and then stops, what impulse did he imply on the ball
An AC generator supplies an rms voltage of 120 V at 60.0 Hz. It is connected in series with a 0.350 H inductor, a 5.00 ?F capacitor, What is the peak voltage across the capacitor
the initial pressure of a steam turbine inlet is determined by adding the last two digits of your student id to 100
A closely wound, circular coil with radius 2.10cm has 830 turns. What must the current in the coil be if the magnetic field at the center of the coil is 5.00×10?2
Beams of high-speed protons can be produced in "guns" using electric fields to accelerate the protons. (a) What acceleration would a proton experience if the gun's electric field were 3.00 104 N/C? m/s2
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