What average force was exerted on the ball
After falling from rest from a height of 33 m, a 0.55-kg ball rebounds upward, reaching a height of 23 m. If the contact between ball and ground lasted 2.1 ms, what average force was exerted on the ball?
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Testing has shown that the consortium can expect a 20:1 concentration factor for data. What is minimum bearer service to Düsseldorf the group must purchase?
The squadron commander has a mandate that the database update must be complete in less than one minute. If the topo database is 10 GB, and the link is SONET, what is the minimum standard rate required?
Speedboat A negotiates a curve whose radius is 142 m. Speedboat B negotiates a curve whose radius is 220 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of the boats?
Almost all video compression schemes are lossy, so compressed video sources are not preferred for high quality editing. An early application of SONET private networks was in California to link the motion picture industry companies. What network se
A proton is projected in the positive x direction into a region of uniform electric field = (-6.80 105) N/C at t = 0. The proton travels 6.70 cm as it comes to rest. (a) Determine the acceleration of the proton.
An electron is accelerated through 2450 V from rest and then enters a region where there is a uniform 1.20 T magnetic field. What are the maximum and minimum magnitudes of the magnetic force acting on this electron?
A beam of 5 MeV electrons passes through a 300 micro-m silicon detector. Estimate the energy lost by the electrons when crossing 100 micro-m, 200 micro-m, and the full thickness of the detector.
Two plane mirrors are separated by 120°, as the drawing illustrates. If a ray strikes mirror M1 at a 65° angle of incidence, at what angle does it leave mirror M2?
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