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A small 150.g pebble is 3.4 km deep in the ocean and is falling with a constant speed of 25m/s. What force does the water exert on the falling pebble?...
A small 150.g pebble is 3.4 km deep in the ocean and is falling with a constant speed of 25m/s. What force does the water exert on the falling pebble?