What is its initial downward acceleration

Reference no: EM13339156

1) What is the buoyant force on a helium balloon in air if the balloon is spherical with diameter 13.0cm ?

2) A 1.50g penny with density 7170kg/m3 is released just below the surface of a pool of water. What's its initial downward acceleration?

Reference no: EM13339156

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What is its initial downward acceleration : A 1.50g penny with density 7170kg/m3 is released just below the surface of a pool of water. What's its initial downward acceleration

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