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Question: In the film 2001: A Space Odyssey, a wheel like space station achieves artificial gravity by spinning around its axis. If the station had a size of 2 km, how fast should it be spinning for the people inside to feel the same gravitational acceleration as on earth?
In a common lecture demonstration of wave pulses, If the tubing is given a transverse blow at one end, how long will it take the resulting pulse to reach the other end
Stan and Ollie are standing next to a train track. Stan puts his ear to the steel track to hear the train coming. How far away is the train
The intensity of electromagnetic waves from the sun is 1.4 kW/m2 just above the earth's atmosphere. How many joules of solar energy fall on your back as you work on your tan for 0.90h
Neutron stars, such as the one at the center of the Crab Nebula, what would you weigh on the surface of a neutron star that has the same mass as our sun and a diameter of 20.0 km
A heat engine does 393.9 J of work per cycle while exhausting 582.64 J of heat to the cold reservior. what is the cold reservior temperature in degrees Celsius
A sinusoidal wave of wavelength 1.91 m and amplitude 0.159 m travels with a speed of 0.743 m/s on a string. Find its angular wave number
A model rocket fired vertically from the ground ascends with avertical acceleration of 3.6 m/s2 for 5.0 s. Its fuel is then exhausted, so itcontinues upward as a free-fall particle and then falls back down.
An equilateral triangle 10.0 m on a side has a 1.00 kg-mass at one corner, a 2.00- kg mass at another corner, and a 3.00- kg mass at the third corner. Find the magnitude of the net force acting on the 1.00-kg mass
Falling light. According to general relativity and the equivalence principle, light is bent by gravity. Determine the time it takes for the light to strike the ground
Direction of Velocity at Various Times in Flight for Projectile Motion Conceptual Question For each of the motions described below, determine the algebraic sign (positive, negative, or zero) of the x component and y component of velocity of the ob..
assume the roller coaster (h1 = 32 m, h2 = 11 m, h3 = 20) passes point A with a speed of 3.50 m/s. If the average force of friction is equal to one fifth of its weight, with what speed will it reach point B? The distance traveled is 30m.
A cup of water is heated with a heating coil that delivers 14.87W of heat. What is the mass of the water
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