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An astronaut has a mass of 50 kilogram. Her vehicle travels to 6400 kilometer above earth and she weighs 1/4 of what she weighed on earth (which is 122.5N).
Find the acceleration on her mass at that point in space?
Vector1 is 6.6 uits long and points along the negative x axis.Vector2 is 8.5 units long and points at +45 degrees to the positivex axis. Determine the sum of the two vectors
A long straight wire is carrying a current of 2.4 A in a region where the magnetic field is perpendicular to the wire. If the magnetic field is 0.52 mT, what is the magnitude of the force on 3.0 m of the wire?
A 75kg skier rides a 2830m long lift to the top of amountain. The lift makes an angle of 14.6 degrees with thehorizontal. What is the change in the skiers gravitational potential energy
Light shines during a single slit whose width is 4.60*10-4 m. A diffraction pattern is formed on a flat screen located 3.8 m away. The distance among the middle of the central bright fringe and the first dark fringe is 6.50 mm. What is the wavelength..
A gas of 1.50×10^20 atoms or molecules has 0.900 J of thermal energy. evaluate the temperature of the gas
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 26.2 dB. The hearing aid picks up sound having a frequency of 250 Hz at an intensity of 2.40 10-11 W/m2. What is the intensity delivered ..
A charge of 100 µC is at the centerof a cube of edge 65.0 cm. No othercharges are nearby. Find the flux through the whole surface of the cube
A 70.0-g object connected to a spring with a force constant of 25.0 N/m oscillates with an amplitude of 6.00 cm on a frictionless, horizontal surface. Find the total energy of the system
A 75 human sprinter can accelerate from rest to 10 in 3.5 . During the same interval, a 34 greyhound can accelerate from rest to 17, evaluate the average power output for each
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the resonant absorption wavelength
Sunlight shines directly on to the wall of a large soap bubble (n = 1.33) which is floating in air (n=1). What is the minimum thickness it could have to produce completely destructive interference for blue light (%u03BB = 475 nm)
A life preserver made of Styrofoam is designed to support a person weighing 575 N, with 80% of the body and 90% of the preserver submerged, Find the volume of Styrofoam required
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