You walk 15 m north to your friend’s house, pick up your cell phone charger and walk to your other friend’s house which is 23 m south. What is your displacement?
1
Expert's answer
2018-09-06T16:33:09-0400
Take south as the positive direction. Then, d=d_1+d_2 The displacement is d=-15+23=8 m south.
Comments
Leave a comment