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A solid uniform disk of mass 5.00 Kg and diameter 35.0 cm spins about an axle through its center. Starting with an agular velocity of 13.90 rev/s, the disk is subjected to a constant torque of 3.0 Nm until it stops. How many revolutions does the disk make before it stops?
In emergencies the train can decelerate more rapidly, coming to rest from 80.0 km/h in 8.30 s. What is its emergency deceleration in m/s2
a wheel starting from rest has a constant angular acceleration of 1.2 rads2 . in a 1.8-s interval it turns through an
A divers lungs hold 0.0050 m^3 of air at sea level, where the pressure is 101.3 kPa. what is the volume of the air in his lungs at a depth of 3 m
A satellite is kept in a circular orbit 3.0*102kmabove the surface of the Earth by the force of gravity. calculate the period of the satellite
When responding to sound, the human eardrum vibates about its equilibrium position. Supposed an eardrum is vibrating with an amplitude of the 6.3*10^7 m and a maximum speed of 2.0*10^-3 m/s.
A uranium nucleus (mass 238 u, charge 92e) decays, emitting an alpha particle (mass 4 u, charge 2e) and leaving a thorium nucleus (mass 234 u, charge 90e). At the instant the alpha particle leaves the nucleus, the centers of the two are 5.0fm apart a..
A diver 50 m deep in 10 degrees Celsius fresh water exhales a 1.2 cm diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 35 degrees Celsius? Suppose that the air bubble is always i..
If the sphere is enclosed in a room whose walls are kept at -5°C, what is the net flow rate of energy out of the sphere
an electron is released from rest a distance d from an infinite charged plane with surface charge density
The water in the plumbing in a house is at a gauge pressure of 160000 Pa. what force does this cause on the top of the tank inside a water heater if the area of the top is .4 m^2?
A charge of 20 nC is uniformly distributed along a straight rod of length 4.0 m that is bent into a circular arc with a radius of 2.0 m
A small permanent magnet is located in a uniform magnetic field of magnitude 0.35 T. find the magnitude of magnetic moment of magnet
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