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two dry-ice pucks covered with plasticine are on a collisioncourse; one of the mass 467g travles south at a speed of 2.6m/s.the other has a mass of 685 g and is going west at a speed of1.8m/s. they stick togeather as they colide. calculate their speedand direction of travle after the collision.
A satellite is in elliptical orbit with a period of 6.12 x 104 s about a planet of mass 8.14 x 1024 kg. What is its angular speed at apocenter
Two divers jump from a 2.90 m platform. One jumps upward at 1.80 m/s, and the second steps off the platform as the first passes it on the waydown.
The armature of a simple ac generator has 30 circular loops of wire, each with a radius of 10 cm. What is the maximum emf induced in the loops
At the surface of Jupiter's moon Io, the acceleration due to gravity is 1.81m/s^2 . A watermelon has a weight of 53.0N at the surface of the earth. What is its mass on the earth's surface
A mass (m=5kg) is attached to a horizontal spring and placed on a frictionless surface. The spring-mass system is compressed, and released. What is the total energy of the spring-mass system
A horse races once around a circular track in a time of 118s, with a speed of 17 m/s. What is the radius of the track? How do you go about solving this.
The cable on an elevator of mass m snaps, and two safety mechanisms come into play. find an expression for the speed
An operating gearbox (transmission) has 200. hp at its input shaft while 190. hp are delivered to the output shaft. Determine the rate of entropy production by the gearbox
A ship is heading off to Barnard's star at 0.700c. When it passed a space station(at rest with respect to the Earth) few days out from Earth, determine the direction and speed of each torpedo as seen by the station
A bat is emitting a sound of 39KHz frequency while flying toward a flat wall. The bat is moving at1/50 of the speed of sound which is 343m/s. What freq does the bat hear reflected off the wall
Two 40.0 µF capacitors in parallel are connected across a sinusoidal ac generator operating at 60.0 Hz. how much current passes through each capacitor
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.18 m2 and whose thickness is 7 mm. what is the percentage lost by the window
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