Which of the following demonstrates the result of waves traveling at
different speeds when moving from one medium to another?

A. The absence of any sound in outer space

B. The bending of light as it moves from air to water

C. The movement of ocean currents as the earth rotates

D. The up and down motion of a collided metal spring

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?

Astronomers studying the planet of rhombus have detected sedimentary rock on its surface. one astronomer wonders if material in this sedimentary rock used to be in igneous rock deep in rhombus’s interior. can igneous rock become sedimentary rock? explain your answer.