A20 kg crate of books is at rest on a table. what is the normal force on the books?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

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.