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In the movie, 2001 : spaceodyssy, gravity is simulated in a cylindrical space station, radius 100 m by rotating at what speed(rad/s)? We measure the effective gravity right on the inner surface of the cylinder.
A man drops a ball from 2 m onto the surface of the cylinder. The ball hits the 'ground' at a displacement d in front of the man. If the ball drops behind the man report d as negative.
The second orbit for the only electron in a He+ ion has a radius of 5.29 X 10^-11 m. What is the speed of an electron in that orbit
A copper ball with a radius of 1.6cm is heated until its diameter has increased by 0.17mm. find the final temperature of the ball.
The depth of the ocean is sometimes measured in fathoms (1 fathom = 6 feet). Find the volume of water (in cubic meters) beneath this rectangle
while the other terminal of the ammeter is connected to the other wire, ammeter shows that the current through the wire is 1 A. You then disconnect everything and travel to the other end of the telephone line, where you repeat the process and find ..
How many joules of kinetic energy does a 750-{rm kg} automobile travelling at the typical highway speed of 65 {rm{ mi/h}} have.
A disk, initially rotating at 106 rad/s, is slowed down with a constant angular acceleration of magnitude 2.24 rad/s2. How much time does the disk take to stop
Two point charges of magnitude 3.02 nC and ?1.82 nC are separated by 41.4 cm. What is the potential energy of the pair of charges
An initially stationary hovercraft sits on a large lake. At time t=0 it accelerates due north at a rate of 1.2 m/s2 for 10 s, what is the velocity of the hovercraft at time t=40 s
If a ball is droped from a building and it takes 2.8s for the ball to hit the ground. What is the speed of the ball. What is the height of the building
A certain nuclear power plant has an electrical power output of 430 MW. The rate at which energy must be supplied to the plant is 1,510 MW. What is the thermal efficiency of the power plant
A storage tank at STP contains 15.0 kgof nitrogen (N2). What is the volume of the tank
In a series L-R-C circuit, the components have the following values: = 21.5 , = 165 , and = 400 . The generator has an rms voltage of 120 and a frequency of 1.25 .Determine the average power supplied by the generator. Determine the average power diss..
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