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Vinil7 [7]
3 years ago
12

A delivery truck leaves a warehouse and travels 3.20 km east. The truck makes a right turn and travels 2.45 km south to arrive a

t its destination. What is the magnitude and direction of the truck’s displacement from the warehouse? Group of answer choices 5.65 km, 52.5° south of east 2.40 km, 45.0° south of east 0.75 km, 37.8° south of east 2.30 km, 52.5° south of east 4.03 km, 37.4° south of east
Physics
1 answer:
boyakko [2]3 years ago
8 0

Explanation:

It is given that,

Displacement of the delivery truck, d_1=3.2\ km (due east)

Then the truck moves, d_2=2.45\ km (due south)

Let d is the magnitude of the truck’s displacement from the warehouse. The net displacement is given by :

d=\sqrt{d_1^2+d_2^2}

d=\sqrt{3.2^2+2.45^2}

d = 4.03 km

Let \theta is the direction of the truck’s displacement from the warehouse from south of east.

\theta=tan^{-1}(\dfrac{2.45}{3.2})

\theta=37.43^{\circ}

So, the magnitude and direction of the truck’s displacement from the warehouse is 4.03 km, 37.4° south of east.

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