Which equation describes the sum of the vectors plotted below?

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

What are atoms of the same element with varying number of neutrons

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?