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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 880 km above the surface of the Moon, where the acceleration due to gravity is 0.738 m/s2. The radius of the Moon is 1.70 X 106 m.
(a) Determine the astronaut's orbital speed.
________m/s
(b) Determine the period of the orbit.
_______ s
It is proposed that future space stations create an artificial gravity by rotating. What rotation period will provide "normal" gravity
Water flowing through a garden hose of diameter2.70cm fills a20.0-L bucket in1.30min. what is the speed of the water leaving the nozzle
A copper cylinder and a brass cylinder are stacked end to end, as in the drawing. Find the amount by which the length of the stack decreases
A 2.40 H coil with a resistance of 3.95×10^2 Ohm is in series with a 4.86×10^3 Ohm resistor. What is the peak value of the potential difference across the coil
A computer to be used in a satellite must be able to withstand accelerations of up to 24 times the acceleration due to gravity, What is the minimum amplitude of vibration that must be used in this test
An 8.05 kg mass moving east at 13.7 m/s on a frictionless horizontal surface collides with a 11.3 kg mass that is initially at rest. What is the angle relative to the east
falls to the safety net while the other speeds away, to reach another swing at the same height at that of the swing they left. Illustrate what should be the distance (in m) between the two swings?
A certain part of an aircraft engine has a volume of 1.2 ft3. Find the weight of the piece when it is made of copper
A proton is accelerated from rest through 500. V. It enters a magnetic field of 0.300 T oriented perpendicular to its direction of motion. determine the frequency with which it moves around this path
The focal length of a bi-convex lens is 10 cm. The focal length of a convex-concave thin lens is -20 cm. If placing them in parallel and in close contact, what is the compound focal length
What is the electric potential energy of a system that consists of two protons 2.1×10?15 m apart-as might occur inside a typical nucleus
A rotating wheel requires 5.00 s to rotate 26.0 revolutions. Its angular velocity at the end of the 5.00-s interval is 99.0 rad/s. What is the constant angular acceleration (in rad/s) of the wheel
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