Which of these statements best describes a similarity between the two galaxies?

Both have elongated centers.

Both have centers shaped like bars.

Both change their shape from time to time.

Both are held together by gravitational forces.

What is the period of a wave if 3 waves passes every 6 seconds

For 10 minutes, the wolf blew on the brick house with 5,000 N of force. How much work did he do? A. - 500 J B. 0 J C. 0 W D. 500 J

An iron anchor of density 7810.00 kg/m^3 appears 252 N lighter in water than in air. (a) What is the volume of the anchor? (b) How much does it weigh in air?

A spaceship approaches the earth with a speed 0.50c. A passenger in the spaceship measures his heartbeat as 9 - beats per minute.

What detects the original stimulus?

A solid spherical insulator has radius r = 2.5 cm, and carries a total positive charge q = 8 * 10-10 c distributed uniformly throughout its volume. find the magnitude of the electric field |e| at a radius of 5 cm from the origin (i. e.

What are some things cyclists do to reduce friction?

What is used to find true north on a compass? a. equator c. magnetic declination b. prime meridian d. cardinal directions

How does the sun's heat affect the humidity of a place

Which "spheres" are interacting when water evaporates from plants