A semi-sphere bowl with a radius of 2.6cm and a mass of 70g is placed like a boat in a swimming pool. Loaded with 1 peso pennies. If the mass and the volume of one peso penny is 6.1g and 0.30cm3. How many 1 peso pennies can be placed in the bowl without sinking?

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.