On some toll roads, the ticket is stamped with the time you enter the toll road and the time that you exit. How can the toll taker determine if you were speeding?

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match

Contains chemical energy. a. heat b. light c. natural gas