A rock is tossed straight up with a velocity of 20m/s When it returns, it falls into a hole 10m deep. Part A What is the rock's velocity as it hits the bottom of the hole? Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type m/s