This question is typical on some driver's li- cense exams: A car moving at 41 km/h skids
14 m with lockexi brakes.
How far will the car skid with locked brakes
at 102.5 km/h? Assume that energy loss is
due only to sliding friction.
Answer in units of m.

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical