A plastic ball floats in gasoline. The weight of the ball is 40.0 N, and its volume is 10.0 L (that is 10 × 10-3 m3). Use g = 10.0 m/s2. The density of the gasoline is 680 kg/m3. What is the magnitude of the buoyant force on the ball, in Newtons? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. hint - answer isnt 68 Part B - Now the same plastic ball is placed in honey and still floats. Honey is more dense than gasoline. The buoyant force on the ball in honey will be _____the buoyant force in gasoline. Answers: more than less than the same as
Answer both parts!
Part A -
A plastic ball floats in gasoline. The weight of the ball is 40.0 N, and its volume is 10.0 L (that is 10 × 10-3 m3). Use g = 10.0 m/s2. The density of the gasoline is 680 kg/m3. What is the magnitude of the buoyant force on the ball, in Newtons?
Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
hint - answer isnt 68
Part B - Now the same plastic ball is placed in honey and still floats. Honey is more dense than gasoline. The buoyant force on the ball in honey will be _____the buoyant force in gasoline.
Answers: |
more than |
less than |
|
the same as |
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