The accompanying map shows the route traveled by a school bus. What is the magnitude of the total displacement of the school bus from the start to the end of its trip?

A) 1,800 m

B) 800 m

C) 500 m

D) 400 m

From the map showing the route traveled by a school bus, the total displacement of the school bus from the start to the end of its trip is 800 m.

Displacement is a vector quantity. That means that is calculating to total displacement of the bus we must take into account, the direction of the displacement.

Recall that we add vectors in the same direction and subtract vectors in opposite direction.

Hence, the total displacement is; 400 m + 500 m + 400 m - 500 m = 800m

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energy stored in the capacitor= 9.72 x 10⁻⁴ j

explanation:

the energy stored in the capacitor is given by

e= 1/2 c v²

e= energy stored

c= capacitance= 1.5 µc= 1.5 x 10⁻⁶f

v= potential difference=36 v

so energy stored= e= 1/2 (1.5 x 10⁻⁶) (36)²

energy stored= 9.72 x 10⁻⁴j