A flashlight shines light on a plane mirror as shown in the diagram. Which path will the reflected light travel?
1: W
2: X
3: Y
4: Z

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )

not too sure thinking all accelerations are pointed down

the moving of the box is a result of centripetal force. think of that  as a car or a truck in this case creates a turn, the force of friction performing upon the turned wheels of the car runs centripetal force obligatory for circular motion for the things inside it.