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A 0.359-kg mass is attached to a horizontal spring with k = 108 N/m. The mass slides across a frictionless surface. The spring is stretched 21.5 cm from equilibrium, and then the mass is released from rest.
a) Find the mechanical energy of the system.
b) Find the speed of the mass when it has moved 4.85 cm.
c) Find the maximum speed of the mass.
A 100kg elevator starts from rest. It moves upward for 4s with constant acceleration until it reaches its crusing speed of 2 m/s. What is the average power of the elevator during this time interval
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A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. The aluminum is 3 mm thick. You notice that after 25 minutes.
A projectile is fired with muzzle speed 150m/s, Where does the projectile hit the ground with what speed
a charged particle is injected at 211 m/s into a 0.0627- T uniform magnetic magnetic field perpendicularly to the field, What is the charge to mass ratio of this particle
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How many signals could fit into 1 MHz of bandwidth if each signal required 100 kHz of bandwidth and the separation between adjacent channels was 10 kHz
An iron bar 40 cm long is braised to a copper bar 50 cm long and of the same diameter. determine the temperature of the junction point
Three balls are constrained to move on the circumference of a circle of radius R. find the characteristic frequencies of the system
An 88 g arrow is fired from a bow whose string exerts the average force of 110 N on the arrow over a distance of 78.00 cm. What is the speed of the arrow as it leaves the bow.
Tarzan swings through the jungle by hanging from a vine. Immediately after he steps off the branch, is Tarzan's acceleration zero or nonzero
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