A body in orbit about a planet is a(n) ________
Fill in the blank(s) with correct word
moon or satellite
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Angular and Linear Quantities: A bowling ball of mass 7.5 kg and diameter 18 cm rolls without slipping down a 10-m bowling lane with a constant speed 4.3 m/s.(a) Through what angle does the bowling ball turn as it travels the length of the lane?(b) What is the angular speed of the bowling ball?(c) Calculate the maximum radial acceleration that a point on the surface of the bowling ball could have.(d) Calculate the tangential acceleration of a point on the surface of the bowling ball.
What will be an ideal response?
Uniform Circular Motion: A race car traveling at a constant speed of 50 m/s drives around a circular track that is 500 m in diameter. What is the magnitude of the acceleration of the car?
A. 0 m/s2 B. 1.0 m/s2 C. 10 m/s2 D. 0.63 m/s2 E. 2.2 m/s2
According to the nebular theory, what are asteroids and comets?
A) leftover planetesimals that never accreted into planets B) chunks of rock or ice that condensed long after the planets had formed C) the shattered remains of collisions between moons D) the shattered remains of collisions between planets E) chunks of rock or ice that have been expelled from the planets by volcanoes
Which of the following is not considered a likely solution to the question of why we are not currently aware of a galactic civilization?
A) There is no galactic civilization because civilizations are not common. B) There is no galactic civilization because civilizations do not leave their home worlds. C) The galactic civilization is deliberately avoiding contact with us. D) The galactic civilization probably is undetectable to us because it makes use of technologies that do not obey the known laws of physics. E) There is no galactic civilization because most civilizations destroy themselves before achieving interstellar travel.