If you were in a spaceship flying directly toward the Moon, which of the following would change as you got closer and closer to it? Select all that apply.
A. parallax
B. linear distance
C. linear diameter
D. angular diameter

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

Need only answer if you think you know it