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Mars orbits the Sun at a mean orbital radius of 228 Gm (1 GM =109 m) and has an orbital period of 687 d. Earth orbitsthe Sun at a mean orbital radius of 149.6 Gm.
a) The Earth-Sun line sweeps out an angle of360° during one Earth-year. Approximately what angle is sweptout by the Mars-Sun line during one Earth-year?
b) How frequently are Mars and the Sun in opposition (ondiametrically opposite sides of Earth)?
A person working on the transmission of a car accidentally drops a bolt into a tray of oil. The oil is 4.86 cm deep. What is the index of refraction of the oil
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A hamster runs in its wheel for 2.7 hours every night. how far does the hamster run in one night
A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 6.91 103 W. How much energy does it deliver into a home during 2 h of continuous operation? How much energy does it extract from the outside air?
If it takes you about 2 minutes to fill your 12 gal (or 0.48 m3) gas tank. Estimate the velocity of the gas as it leaves the nozzle
A battery supplies a 6.0x10^-6 C charge to a 5.0µF capacitor to create a potential difference of 1.20 V across its plates. How much energy is stored in the capacitor in this case
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A 10 kg crate is pulled up a 30 degree incline with a rope parallel to the incline. The tension in the rope is 100 N. what is the acceleration of the crate up the incline
A 200 ohm resistor is rated at 1/4 W. What is the maximum voltage that should be applied across it
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A 75-kg man is riding in a 75-kg cart at 1.0 m/s. He jumps off in such a way as to land on the ground with no horizontal velocity
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