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As we've seen, astronauts measure their mass by measuring the period of oscillation when sitting in a chair connected to a spring. The Body Mass Measurement Device on Skylab, a 1970s space station, had a spring constant of 606N/m . The empty chair oscillated with a period of 0.869s .
What is the mass of an astronaut who oscillates with a period of 2.25 when sitting in the chair?
An infinitely long line of charge has linear charge density 5.00×10?12C/m. Calculate the protons initial kinetic energy
A 5 m x 12 m swimming pool slopes linearly from a 1.20 m depth at one end to a 3.40 m depth at the other. What is the mass of water in pool.
A meterstick is at rest in an inertial frame S2. If S2 moves with a speed of 0.7c with respect to a rest frame S1, find the length of the meterstick as measured in frame S1 according to classical physics. Reply in units of m.
A 7.3 m diameter solid sphere can be rotated about an axis through its center by a torque of 10.8 m*N which accelerates it uniformly from rest through a total of 150 revolutions in 16.0s
A replace poker consists of a wrought iron rod, 50 cm long and 5 cm2 in cross-section, fused to a piece of cork 10 cm long, Estimate the temperature at the iron-cork boundary
sled is being pulled across a cement sidewalk at constant velocity. the coefficient of friction mu between the cement
in a young's double slit experiment two rays of monochromatic light emerge from the slits and meet at a point on a distant screen. what is the wavelength in mm of the monochromatic light
Most of the motion generated by joints in the human body are examples of levers. An example of a third class lever is the forearm, what force is exerted by the biceps muscle
Write the introduction of about two pages and the literature review parts of two or three pages about fundus camera.
A wire is made of a material with a resistivity of 4.84004 × 10 ?8 ? · m. evaluate the resistance of the wire
A 340 kg piano slides 3.7 m down a 33° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.37.
A spacecraft is in orbit around a planet. The radius of the orbit is 3.2 times the radius of the planet, What is the period of the spacecraft's orbit
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