A crew on a spacecraft watches a movie that is two hours long. The spacecraft is moving at high speed through space. An Earth-based observer watching the movie screen on the spacecraft through a powerful telescope measures the duration of the movie to be two hours.

Answer: buoyancy forceexplanation: 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.

Yup no bull frogs here man