An iron anchor of density 7850.00 kg/m3 appears 183 n lighter in water than in air.
a. what is the volume of the anchor?
b. how much does it weigh in the air?

If the new moon happens on january 15th, what shape will it be on february 6th?

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.