. A car drops down from a height of 20m along a roller coaster, what is its speed
as it reaches ground level?

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.

if you answer my question i will answer yours

where is the photo and the answer choices?

the inner core.

good luck: )

klicker