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22 April, 22:12

Sally places a jar with some pennies into a pool of water and exactly half of the jar is submerged. The volume of the jar is 200 cm3 and the density of the water is 1 g/cm3.

a. What is the buoyant force acting on the jar?

b. What is the weight of the jar and pennies?

c. What is the density of the combined jar and pennies?

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  1. 22 April, 22:37
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    Bouyant Force = 0.9N

    The density of the jar and Penny was not given so we can't determine it's weigh and combined density

    Explanation:

    Bouyant force Fb = Volume of solid*density of liquid*acceleration

    Fb = (200/2) * 1*980.665

    Fb = 98066.5/100000

    Fb = 0.9N
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