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When the adjustable mirror on the Michelson Interferometer is moved 20 wavelengths, how many fringe pattern shifts would be counted?
An electron is moving north in a region where the magnetic field is south. What is the magnetic force exterted on the electron
A tennis ball is released from a height of 2.0 m above the floor, and then bounces three times. With each bounce, dissipative forces cause it to lose 16.0% of its mechanical energy. How high does it reach after the third bounce?
In the days before compact discs and MP3 players (ancient history!), music was recorded in scratches in the surface of vinyl-coated disks called records. Find the centripetal acceleration of a point on the edge of the record
A cannon with a mass of 115 kg shoots a cannonball with a mass of 8 kg. If the speed of the cannon ball as it leaves the cannon is 185 m/s,what is the speed of the cannon at that time??(assume cannon is initially at rest,not fastened down in any way,..
Joe pushes down the length of the handle of a 12.6 kg lawn spreader. What force must Joe apply to the handle
A 25.0kg child plays on a swing having support ropes that are 1.80m long. How fast will she be moving at the bottom of the swing
q1. a book with a mass of 2.0 kg is held in equilibrium on a board with a slope of 60.0 degrees by a static frictional
The drill pipe has an outer diameter of 75 mm, a wall thickness of 6 mm, and a weight of 0.8 kN/m. If it is subjected to a torque and axial load as shown, determine the principal stresses and maximum in-plane shear stress
A 18.0 k? resistor and a capacitor are connected in series and then a 12.0 V potential difference is suddenly applied across them. The potential difference across the capacitor rises to 8.76 V in 1.22 µs. (a) Calculate the time constant of the circui..
How many coulombs of positive charge are there in 4.00 kg of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons?
In gym class you run 22m horizontally, then climb a rope vertically for 6.2m. What is the direction angle of your total displacement
A typical sound level for a buzzing mosquito is 40 dB, and that of a vacuum cleaner is approximately 70 dB. Obtain how many buzzing mosquitoes will produce a sound intensity equal to that of a vacuum cleaner
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