Groupings of stars that form outlines of animals, objects, mythological people and creatures, or gods

Many objects classified as irregular galaxies are actually galactic mergers.

Answer the following statement true (T) or false (F)

You use a camera with a lens whose focal length is 50.00 mm, and are taking a picture of a 2.500 m tall statue that is located 7.200 m from the lens. If the image height on the film is 18.20 mm, what is the distance from the lens to the film?

A. 5.035 cm B. need more information C. 6.32 mm D. 5.242 cm

An object of mass m is hanging by a string from the roof of an elevator. The elevator is slowing down. What is the tension in the string?

A. greater than mg B. less than mg C. equal to mg D. depends on the speed of the elevator

When you ride a bicycle, in what direction is the angular velocity of the wheels?

A) to your left B) to your right C) forwards D) backwards E) up