Write a 4-6 sentence short story in German that correctly uses at least two of the idioms you learned this week. Draw on all of your vocabulary and knowledge of German. This is your last weekly written assessment so make it count! Your sentences should be original and should not copy from course materials or any other resource.

answer:

say if they see him, ask him.

explanation:

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: