To drive to the store from home, somebody first travels 5 km west, then they travel 5 km northwest. What is the straight line distance between their home and the store?

Question

Physics

Aniya Padilla

26 May, 17:09

To drive to the store from home, somebody first travels 5 km west, then they travel 5 km northwest. What is the straight line distance between their home and the store?

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Answers (1)

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Sophie Maldonado · Answer 1

Straight line distance between their home and the store can be solve using cosine law. first is solve the angle which is180 - 45 = 135 degree

C^2 = a^2 + b^2 - 2ab cos (135) c^2 = 5^2 + 5^2 - 2 (5) (5) cos (135) c^2 = 85.35c = 9.24 km is the straight line distance between their home and the store