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A bolt comes loose from underneath an elevator that is moving upward at a speed of 4.5 m/s. The bolt reaches the bottom of the elevator shaft in 2.5 s. How high up was the elevator when the bolt came loose?
Models of torpedoes are sometimes tested in a horizontal pipe of flowing water, much as a wind tunnel is used to test model airplanes. With what speed must the water flow in the part of the pipe
A copper wire has diameter 0.140mm and length 11.0cm . It's in a horizontal plane and carries a current of 2.50A, Find the magnitude of the magnetic field needed to suspend the wire against gravity.
An 11.00 kg crate is placed on a horizontal conveyor belt. The materials are such that static friction = 0.47 and kinetic friction = 0.24.
Describe what would be observed if a double slit were illuminated by light of the two yellow mercury lines of wavelengths 577 and 579 nm respectively, calculate the visibility of the fringer near m=50
Sketch a force diagram for the desk.
In the solar system frame, two events are measured to occur 3.0 hours apart in time and 1.5 hours apart in space. What is the time seperation between the events in the alien's frame
A 77-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 841 N. What is the acceleration of the elevator
a uniform stick 1.5 meters long With a massive 220 kg is pivoted at its center a 3.9 kg bullet is shot through the stick midway between the pivot, What is the angular speed of the spinning stick
In a phyiscs lab experiment, a coil with 200 turns enclosing an area of 13.7cm2 is rotated during the time interval 3.7E-2 from a position, What is the magnitude of the total magnetic flux
A muon is created at the top of Mount Kanchenjunga (height 8,600 m) and travels at constant speed to sea level, what is the height of Mount Kanchenjunga
A solid sphere and a solid cylinder with the same mass and radius roll down an inclined plane without slipping. Which one will reach the bottom of the incline first. Explain why. Assume friction is negligible for both.
The position vector of a particle of mass 2.00 kg as a function of time is given by r =(2ti+3t^2j), Determine the angular momentum (in kg-m^2/s) of the particle about the origin at t = 4 s
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