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a company wishes to put two - 500 kg satellites in earth orbit. one satellite will be at an orbit altitude of 1000 km, and the second will be geosynchronous orbit, 35790 km above the earths surface. how much more energy is required for the geosynchronous orbit than for the 1000 km altitude orbit?
A bottle of saline solution (with a specific gravity of 1.02) is attached to a 1.2 m long piece of tubing with a 1.0 cm inner diameter. If the tubing is held vertically, filled with saline, and clamped at the bottom, (a) what is the gauge pressure at..
A thermos contains 159 cm3 of coffee at 93.7 °C. To cool the coffee, you drop two 13.2-g ice cubes into the thermos. The ice cubes are initially at 0 °C and melt completely. What is the final temperature of the coffee in degrees Celsius? Treat the..
Estimate the shear stress if this force is ex- erted on a 0.412 cm -thick pine board that is 13.7 cm wide
A laser pulse has a duration of 4.00× 10?11 s and a frequency of 6.40× 1014 Hz. How many cycles of wave are in the pulse
A 9.0 V battery is connected across two large parallel plates that are separated by 4.5 mm of air, creating a potential difference of 9.0 V between the plates. What is the electric field in the region between the plates
A ten pound car wheel has a moment of inertia of 0.38 kg m2. What is the wheel's rotational kinetic energy
A soap film in air has thickness L = 250 meters. It totally reflects orangle light with 620nm wavelength. What color and wavelength of light does it totally transmit
A 380-N, uniform, 1.50 m bar is suspended horizontally by two vertical cables at each end. A small object of weight 520 N is placed distance 0.5 m from the cable A. What is the tension in cable A.
A weather vane initially at rest has a moment of inertia of 0.122 kg · m2 about its axis of rotation, Find the angular velocity of the weather vane just after it is struck
Radiation of intensity 1.00 kW/m2 is incident on an area perpendicular to the incoming light. What is the resulting power per unit area now reaching the surface
q1. an object falls because of gravity at the rate of -920 cms2 - sign is indicative of a downward direction for 10.00
The drawing shows a person (weight W = 598 N, L1 = 0.829 m, L2 = 0.409 m) doing push-ups. Find the normal force exerted by the floor on each hand
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