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A 0.250 kg mass is moving on the end of a spring (k =3.50 N/m) and is damped by a force: Fx = -bvx.
a) If the constant b = 0.860 kg/s, what is the frequency of the oscillation?
b) For what value of b would the motion be critically damped?
An engine is built to extract power from the temperature difference in the ocean. what is the maximum theoretical efficiency of such an engine
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.53 m. Where should the third charge be located
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. Determine the final speed of each disk
A wire carrying a 32.0 A current passes between the poles of a strong magnet perpendicular to its field and experiences a 2.12 N force on the 4.00 cm of wire in the field. What is the average field strength
suppose that we could use the energy released when 5 g of antimatter annihilates 5g of matter to lift a mass 3 km from the Earth's surface. how much mass can we lift? answer in unites of kg.
Monochromatic light (640 nm) strikes a pair of slits at normal incidence, forming the double-slit interference pattern on a screen located 1.82m from the slits. It shows the interference pattern observed on the screen. What is the slit separation.
The manufacturers of a particular brand of car conduct head-on collision tests and find that in the absence of a passenger side air bag, What is the average force exerted on the childs head during collision
A 1.0-kg mass is attached to a string wrapped around a shaft of negligible mass and having a 8.0-cm radius. A dumbbell-shaped "flywheel" made from two 0.500-kg masses is attached to one end of the shaft and perpendicular to its axis. The mass is rele..
The frequency of an opera singer is 450 Hz. Assume the speed of sound in air is 340 m/s. What is the frequency heard by an observer who is running down the road towards the opera singer with a speed 25.0 m/s.
suppose you have just discovered a new x-shy-ray binary which contains a b2 main sequence star orbiting an unseen
Two people carry a heavy electric motor by placing it on a light board 2.50m long. One person lifts at one end with a force of 440 N , Where along the board is its center of gravity located
In a transformer, the voltage across the primary coil is 120 V rms, and the voltage across the secondary coil is 10 kV rms (i.e. 10 000V). What is the impedance of the secondary coil
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