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LeAnn knows the speed of an airplane, but she wants to find the velocity. What does she need to determine to find velocity?
A.
The time it takes the airplane to move between two points.
B.
The acceleration needed to get to its speed
C.
The force of the airplane's engine
D
The direction the plane is flying

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?