Answer to Question #161641 in Physics for Saloni

Question

Ariel swims at top speed because she is late for a meeting with her father. She swims 3.5 km East to rneet him when she realizes she was still carrying her dinglehopper. Her father would not approve. She swims 2.2 km We! to her secret cave to hide it. She then leaves her cave and manages to swim 0.60 km East, before running into a shark. She swirns 0.70 krn west before she finally escapes hirn and is safe. She has yet to make it back to meet u with her father. "Daddy's going to kill me." She groans.... 

At this point in time: The total journey took Ariel 45 minutes. 

a) What is Ariel's displacement, thus far, in km?

Answer 1

Ariel's displacement is

$$s=3.5-2.2+0.6-0.7=1.2\ km$$