An object is thrown horizontally from the top of a 5-m building and lands 97 m from the base of the building. Ignore air resistance. What must have been the initial horizontal component of the velocity? Input your answer in m/s using 3 significant figures. (g = -9.80 m/s*)

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Chapter3: Vectors And Two-Dimensional Motion
Section: Chapter Questions
Problem 13CQ: A student throws a heavy red ball horizontally from a balcony of a tall building with an initial...
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QUESTION 1
An object is thrown horizontally from the top of a 5-m building and lands 97 m from the base of the building.
Ignore air resistance.
What must have been the initial horizontal component of the velocity?
Input your answer in m/s using 3 significant figures. (g = -9.80 m/s")
QUESTION 2
An object is thrown horizontally from the top of a 14-m building and lands 60 m from the base of the building.
Ignore air resistance.
What is the vertical component of the velocity just before the object hits the ground?
Input your answer in m/s using 3 significant figures. (g = -9.80 m/s")
QUESTION 3
An eagle is flying horizontally at a speed V over a lake at a height H when the fish in its claws break free and fall into the lake.
What is the speed of the fish relative to the water at the moment it hits the water?
O v + V 2gH.
where g = 9.80 m/s?
v² + 2gH ,
where g= - 9.80 m/s?
O v2 - 28H ,
where g=9.80 m/s2
v² + 2gH ,
where g=9.80 m/s²
Transcribed Image Text:QUESTION 1 An object is thrown horizontally from the top of a 5-m building and lands 97 m from the base of the building. Ignore air resistance. What must have been the initial horizontal component of the velocity? Input your answer in m/s using 3 significant figures. (g = -9.80 m/s") QUESTION 2 An object is thrown horizontally from the top of a 14-m building and lands 60 m from the base of the building. Ignore air resistance. What is the vertical component of the velocity just before the object hits the ground? Input your answer in m/s using 3 significant figures. (g = -9.80 m/s") QUESTION 3 An eagle is flying horizontally at a speed V over a lake at a height H when the fish in its claws break free and fall into the lake. What is the speed of the fish relative to the water at the moment it hits the water? O v + V 2gH. where g = 9.80 m/s? v² + 2gH , where g= - 9.80 m/s? O v2 - 28H , where g=9.80 m/s2 v² + 2gH , where g=9.80 m/s²
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