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a physics student start sailing away in a boat at 5.0 m/s as shown in the diagram. When they are 50.0 m from the shore, Mr Berthiaume spots them, and launches a copy of the exam towards the boat so they will have no choice but to complete it.  Using every quantum of strength in his body, he throws the exam with a speed of 40.0 m/s, while summoning physics to remove air resistance for the moment.  The exam lands on the boat after the boat has moved another 50.0 m.   (a) At what angle above the horizontal must Mr Berthiaume throw the exam so it lands on the boat? (b) How high is the cliff? (c) With what velocity does the exam hit the boat?

a physics student start sailing away in a boat at 5.0 m/s as shown in the diagram. When they are 50.0 m from the shore, Mr Berthiaume spots them, and launches a copy of the exam towards the boat so they will have no choice but to complete it.  Using every quantum of strength in his body, he throws the exam with a speed of 40.0 m/s, while summoning physics to remove air resistance for the moment.  The exam lands on the boat after the boat has moved another 50.0 m.   (a) At what angle above the horizontal must Mr Berthiaume throw the exam so it lands on the boat? (b) How high is the cliff? (c) With what velocity does the exam hit the boat?

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  1. a physics student start sailing away in a boat at 5.0 m/s as shown in the diagram. When they are 50.0 m from the shore, Mr Berthiaume spots them, and launches a copy of the exam towards the boat so they will have no choice but to complete it.  Using every quantum of strength in his body, he throws the exam with a speed of 40.0 m/s, while summoning physics to remove air resistance for the moment.  The exam lands on the boat after the boat has moved another 50.0 m.

 

(a) At what angle above the horizontal must Mr Berthiaume throw the exam so it lands on the boat?

(b) How high is the cliff?

(c) With what velocity does the exam hit the boat?

v = 40.0 m/s v - 5.0 m's 50.0 m 50.0 m
Transcribed Image Text:v = 40.0 m/s v - 5.0 m's 50.0 m 50.0 m
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