2. How is the seating arrangement in a German-speaking country usually different from the seating arrangement in the United States? a. You are expected to seat yourself.

b. There are no children allowed in sit-down restaurants.

c. Most people eat while standing at a bar.

d. Seating is chosen through a lottery system.

B, C and D are kinda ridiculous. I would go for A, but note that this is not always the case, especially on important holidays you need to book a table

answer:

because the gravitational attraction of our sun for the earth is the centripetal force causing the earth's circular motion around the sun, we can use netwon's law of universal gravitation to find the mass of the sun without ever actually visiting the sun. this is the same technique you would use to determine the mass of cygnus x-1 with a probe. the earth, orbiting the sun, plays the same role as the probe sent to orbit cygnus x-1.

f(force of gravity) = f(centripetal force)

explanation:

hello i am m