Please What happens to light waves from a star as the star moves toward Earth? A. They appear to shift toward blue.
B. They appear to shift toward red.
C. They appear to stop.
D. They appear to become mechanical waves.

Anybody wanna ? (picture included? )

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

The starship enterprise is caught in a time warp and spock is forced to use the primitive techniques of the 20th century to determine the specific heat capacity of an unknown mineral. the 125-g sample was heated to 96.3°c and placed into a calorimeter containing 85.9 g of water at 20.0°c. the heat capacity of the calorimeter was 14.2 j/k. the final temperature in the calorimeter was 24.5°c. what is the specific heat capacity (in j/g°c) of the mineral? enter to 4 decimal places.