Physics, 07.03.2020 05:36 JEThompson6416
What is the orbital period of a comet nucleus at the inner edge of the Oort Cloud (10,000 AU)? What is its orbital velocity? Assume a circular orbit. (Hint: Use Kepler's third law . P% aAU.) (N otes: The circumference of a circle is 2m 1 AU = 1.5 × 108 km 1 day = 86,400 seconds.)
Oa. 1 million years; 300 m/s.
b. 32 million years; 400 km/s
c, 32 million years; 9 m/s. O
d. 1 million years; 110 m/s.
Answers: 2
Physics, 22.06.2019 13:40
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Physics, 22.06.2019 22:30
The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s
Answers: 2
Physics, 22.06.2019 23:30
A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s
Answers: 1
What is the orbital period of a comet nucleus at the inner edge of the Oort Cloud (10,000 AU)? What...
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