1a rock thrown upward initial speed 15 ms earth

a. Make a list of given quantities and quantities to find, labeled with units and appropriate algebraic signs (+,-) b. what is the acceleration of the rock? c. Calculate the rock’s height after 1 sec d. Calculate the time required to reach an upward speed of 3 m/s e. Calculate the time required to reach a downward speed of 5 m/s
 

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