You are on a train that is traveling at 3.0 m/s along a level straight track. Very near and parallel to the track is a wall that slopes upward at a 12° angle with the horizontal. As you face the window (0.777 m high, 2.26 m wide) in your compartment, the train is moving to the left, as the drawing indicates. The top edge of the wall first appears at window corner A and eventually disappears at window corner B. How much time, in seconds, passes between appearance and disappearance of the upper edge of the wall? B 3.0 m/s 12⁰
You are on a train that is traveling at 3.0 m/s along a level straight track. Very near and parallel to the track is a wall that slopes upward at a 12° angle with the horizontal. As you face the window (0.777 m high, 2.26 m wide) in your compartment, the train is moving to the left, as the drawing indicates. The top edge of the wall first appears at window corner A and eventually disappears at window corner B. How much time, in seconds, passes between appearance and disappearance of the upper edge of the wall? B 3.0 m/s 12⁰
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Transcribed Image Text:You are on a train that is traveling at 3.0 m/s along a level straight track. Very near and
parallel to the track is a wall that slopes upward at a 12° angle with the horizontal. As
you face the window (0.777 m high, 2.26 m wide) in your compartment, the train is
moving to the left, as the drawing indicates. The top edge of the wall first appears at
window corner A and eventually disappears at window corner B. How much time, in
seconds, passes between appearance and disappearance of the upper edge of the
wall?
A
B
A
3.0 m/s
12⁰
B
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