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Treat a planet as a uniform density sphere of mass M, radius R, and rotation period T. A large asteroid of mass aM is moving at speed ßR/T. The asteroid collides perfectly inelastically with the planet at its equator while traveling tangentially to the surface of the planet in the same direction as the velocity of the contact point on the equator. What is the rotation period of the planet after the asteroid collides with the planet?
Compute the linear momentum and angular momentum of a Frisbee of mass 0.130 kg if it has a linear speed of 1.25 m/s and an angular velocity of 62.5 rad/s
A long solenoid of length 40 cm, cross section area 24 cm^2 and 20 turns per centimeter carries a current of 8.0 A. find the magnetic energy stored in the solenoid
A skiy diver, with parachute unopened, falls 625 m in 15.0s. What is her average velocity (both magnitude anddirection) for the entire fall
In a hydroelectric installation, a turbine delivers 1500 hp to a generator, what current does the generator deliver at a terminal potential difference of 2000 V
An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 3.0 V for 0.95 ms, Find the current that flows during a pulse
200mH inductor with 78 ohm resistance is connected in series to a 16 u F capacitor and a 60 Hz Vrms = 25 V source. Calculate the rms current
A train slows from 40m/s to 10m/s in 3 seconds . If its mass is 50000kg what was the change in momentum? What was the train's impulse
A thin, uniform, metal bar, 3m long and weighing 85 N, is hanging vertically from the ceiling by a frictionless pivot. Find the angular speed of the bar just after the collision
in a simple picture of the hydrogen atom the electron moves in circular orbits around the central proton attracted by
What are the three longest wavelengths for standing waves on a 237--long string that is fixed at both ends, what is the frequency of the third-longest wavelength
A hollow sphere is rolling along a horizontal floor at 7.0 m/s when it comes to a 39^circ incline. How far does it go up the incline before coming to a stop and roll back down.
An engine works at 23.0% efficiency. The engine raises a 5.00-kg crate from rest to a vertical height of 8.0 m, How much heat input is required for this engine
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