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Future space stations will create an artificial gravity by rotating. Consider a cylindrical space station of 380 m diameter rotating about its axis. Astronauts walk on the inside surface of the space station. On a space walk on the outside of the space station how much gravity would they experience?
A hollow cylinder of mass 0.141 kg and radius 4.10 cm has a string wrapped several times around it, Find the acceleration of the cylinder
A camera has a lens with a focal length of 29.4 cm. When an object is placed 3.95 meters away is being photographed, how far from the film should the lens be placed
Oxygen (O2) has a molar mass of 32.0g/mol. What is its average translational kinetic energy at that speed
The 80-lb boy and 60-lb girl walk towards each other with a constant speed on the 300-lb cart. find the distance the cart has traveled at the instant the boy and girl meet
A 76-kg man is at rest on ice skates. A 0.24-kg ball is thrown to him. The ball is moving horizontally at 26 m/s just before the man catches it. How fast is the man moving just after he catches the ball
Point charges located at 3, 8, and 11 cm along the x - axis are represented in the figure (at 3cm +q, 8cm -2q, 11cm +q). What is the magnitude of the force on the charge
q1. a camera falls from a blimp that is 259 m above the ground and rising at a speed of 10.2 ms.find the maximum height
The pressure of air in your house can stay constant during the day if the temperature rises. Determine the number of moles of air that leave the house during the day time
calculate the fraction of which is submerged when the cylinder floats in alcohol. Fraction of Vwood submerged.
In the path shown below, the locations of a car driving around a track are shown at EQUAL time intervals where ?t = 20 s. The car starts with speed 40 m/s at x0 and uniformly slows down to 20 m/s from x0 to x2. The car then travels at a constant spee..
A flywheel rotates at a rate of 20 rpm. A motor provides a constant angular acceleration so that 30 secondslater it turns at a rate of 70 rpm, what is the angular acceleration of the splotch of paint
A 51.0 kg cheerleader uses an oil-filled hydraulic lift to hold four 120 kg football players at a height of 1.00m, what is the diameter of the football players' piston
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