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Q. A spotlight on a boat is a = 2.5 m above the water, and the light strikes the water at a point that is x = 8.0 m horizontally displaced from the spotlight (see the drawing). The depth of the water is 4.0 m. Determine the distance d, which locates the point where the light strikes the bottom.

Q. A physics student in a hot air balloon ascends vertically at constant speed. Consider the following four forces that arise in this situation:

F1 = the weight of the hot air balloon F3 = the force of the student pulling on the earth

F2 = the weight of the student F4 = the force of the hot air balloon pulling on the student

Which one of the following relationships concerning the forces or their magnitudes is true

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Category:- Physics
Reference No.:- M9274963

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