A c
00
Where is the potential energy of the roller coaster the lowest?
A)
А
B)
B
C)
с
D)
D

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.