5ways in which people can explore space without physically going there

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?