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a 62.9 kg astronaut is on a space walk when the tether line tothe shuttle breaks. the astronaut is able to throw a 11 kg oxygentank n a direction away from the shuttle with a speed of 10.3 m/s,propelling the astronaut back to the shuttle. assuming that theastronaut starts from rest, find the final speed of the astronaut after throwing the tank. answer in units of m/s.
The focal length of an objective lens is 4.60mm . The image formed by this lens is 145mm from its focal point. find the magnitude of the angular magnification of the microscope
For a damped oscillator with a mass of 350 g, a spring constant 59.00 N/m and a damping coefficient of 89 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 30 cycles.
Vector a has a magnitude of 15 units and points die east. Vector b points due south. What is the magnitude of b if a-b has a magnitude of 25 units
A 4.0x104 kg spaceship located halfway between them. What is the total potential energy of the ship
Two trains, each having a speed of 27 km/h, are headed at each other on the same straight track, What is the total distance the bird travels before the trains collide
An object is to the left of a thin lens. The lens forms an image on a screen that is 2.60 m to the right of the object. Is the image upright or inverted
A child makes a "raft" by inserting a pin perpendicularly into the flat surface of a cork with diameter D. What is the maximum height h of the pin if its tip is completely hidden from view when observed from above the surface of the water
A series RLC circuit has R = 75 %u03A9, L= 20 mH, and a resonance frequency of 4.0 kHz. What is the impedance of the circuit at resonance
A five-slit system with 8.2 slit spacing is illuminated with 635nm light. Find the angular positions of the first two maxima
Two blocks with masses m = 16.7 kg and M = 70.1 kg are not attached. The coefficient of static friction between the blocks is 0.45 but the surface beneath M is frictionless. What is the minimum force F required to hold m against M?
Take two containers, each with volume 0.1 m3, containing ideal gases of monatomic He at T= 104 K and diatomic N2 at T = 236 K, What is the change of dimensionless entropy solely due to the fact that the gases have more volume accessible
a mass of 0.30 kg hanging from a spring with a spring constant of 86.8 nm is set into an up-and-down simple harmonic
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