Can anyone help me plsss

#a

Distance travelled=30m

#b

Distance travelled=50m

#c

Total distance =50m+30m=80m

#d

#e

#f

#g

Displacement=30m

#h

Displacement=50m

#i

Total displacement=30-50=|-20|=20m

#j

Same answer as option d

#k

Same ans as option e

#l

The masses of the objects and their densities

Julia would be observing a. static electricity was caused by her sweater rubbing against her shirt and transferring electrons. she didn't touch anything metal, so that would cancel out b.she most likely didn't rub her sweater against her hair either, so that cancels out c.she also didn't scoot across the carpet while trying to take her sweater off, that cancels out d.so that leaves a.a. is correct.