Question: A cave explorer drops a stone down a chasm and hears the stone hit water 3 . 6 3 s later. What is the height

A cave explorer drops a stone down a chasm and hears the stone hit water $3.63$ s later. What is the height of the cave explorer above the water? Anwser to the nearest hundredth of a metre and include the unit m in your answer.

On a ride in the country a cyclist covers $19.2$ km in $1.2$ hours. What is the cyclist's average speed in m $/$ s $.$

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