Mathematics · Gravitation and Buoyancy
During a laboratory experiment, a student immersed two objects, A and B, in water and recorded their weights using a spring balance. Based on Archimedes' principle, find the missing values P, Q, R, and S from the table below: ObjectWeight in Air (N)Weight in Water (N)Weight of Water Displaced (N)Buoyant Force (N)AP65Q20B90R15S
- 1P = 85, Q = 15, R = 75, S = 20
- 2P = 20, Q = 85, R = 15, S = 75
- 3P = 75, Q = 15, R = 85, S = 20
- 4P = 85, Q = 20, R = 75, S = 15✓
Correct answer
P = 85, Q = 20, R = 75, S = 15
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