A tennis ball is thrown upwards from the edge of a cliff with a speed of 10 s/ m
start fraction, start text, m, end text, divided by, start text, s, end text, end fraction. It lands on the ground below the cliff 3.0, point, 0 seconds later. We can ignore air resistance.
What is the displacement of the tennis ball?
Answer using a coordinate system where upward is positive.
Round the answer to two significant digits.