olivia places her pet frog on a line to observe the frogs motion. the line is divided into sections that…
olivia places her pet frog on a line to observe the frogs motion. the line is divided into sections that measure 1 centimeter each. the frog begins at 0, moves 18 centimeters forward, moves 6 centimeters backward, and then 12 centimeters backward. what is the frogs displacement?\n0\n6\n18\n36
Answer
Explanation:
Step1: Define forward and backward movements
Forward is positive, backward is negative. Initial position is 0. First - move: + 18 cm.
Step2: Account for second - move
Second move is 6 cm backward, so new position is (0 + 18-6). [0 + 18-6=12]
Step3: Account for third - move
Third move is 12 cm backward. Final position is (12-12). [12 - 12=0]
Answer:
0