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Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Assume the orbit to be circular and 360 km above the surface of the Moon, where the acceleration due to gravity is 1.16 m/s2. The radius of the Moon is 1.70 106 m.
(a) Determine the astronaut's orbital speed.m/s
(b) Determine the period of the orbit.s
A ray of light traveling in air is incident on the flat surface of a piece of glass at an angle of 66.5° with respect to the normal to the surface of the glass, what is the refractive index of the glass
The current from an AC source is given by: I(t) = 6.50 sin(84.0 t + 1.090 ) mA, What would the phase shift be in degrees
A sunbather lying on a floating raft that experiences no friction with the water gets up and walks to the western end of the raft. how fast does the raft move in terms of the sunbather's speed
Jack and Jill are standing on a crate at rest on the frictionless, horizontal surface of a frozen pond. Jack has a mass of 74.5kg , What is the final speed of the crate if Jill jumps first and then Jack, again in the same direction
Find the lowest energy of the system (in eV) and list the quantum numbers of all occupied states if (a) the particles are electrons, and (b) the particles have the same mass of the electron
The length of a simple pendulum is 0.77 m and the mass of the particle (the "bob") at the end of the cable is 0.25 kg. What is the angular frequency of the motion
The pilot of an aircraft wishes to fly due west in a 47.7 km/h wind blowing toward the south. What should its speed relative to the ground be
Two crickets, Chirpy and Milada, jump from the top of a vertical cliff. Chirpy just drops and reaches the ground in 4.00s, How far from the base of the cliff will Milada hit the ground
A proton is accelerated from rest across a potential difference of 4V. What is the power delivered to the proton by the magnetic field
A large tub is filled to a depth of 50.0 cm with fresh water. Then oil of density 750.0 kg/m3 is poured onto the water. What is the depth of the oil layer
A 200 gm block of metal is heated to 100 degrees Celcius in boiling water. This block is after placed in an aluminum calorimeter cup (mass - 30gm; c - .22 cal/g degrees C) containing 180 gm of water at 20 degrees C.
Air enters an insulated turbine operating at a steady state at 5 bar, 1000K and exits at 1 bar, 500K. Neglecting KE and PE changes and assuming ideal gas behavior, find whether the expansion is internally reversible, irreversible or impossible.
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